{"title":"4-Channel","description":"","products":[{"product_id":"sxe100-4","title":"Esx Signum 4Ch Amp Sxe100.4","description":"\u003cdiv\u003e\n\u003ch2\u003e4-Channel 200W RMS Amplifier\u003c\/h2\u003e\n\u003cp\u003eExperience exceptional audio performance with our 4-Channel 200W RMS Amplifier! This high-quality amplifier delivers clear and powerful sound, enhancing your car audio system.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e4 x 65W \/ 100W RMS @ 4 ohms \/ 2 ohms\u003c\/li\u003e\n\u003cli\u003e2 x 200W RMS @ 4 ohms (when bridged)\u003c\/li\u003e\n\u003cli\u003eHigh Level Inputs with EPS (Enhanced Power Supply) for easy setup\u003c\/li\u003e\n\u003cli\u003eAuto-Turn-On for convenient operation\u003c\/li\u003e\n\u003cli\u003e2 x Highpass 10-250 Hz for precise frequency control\u003c\/li\u003e\n\u003cli\u003eLowpass 50-250 Hz for optimal bass performance\u003c\/li\u003e\n\u003cli\u003eBandpass-Mode for versatile filtering options\u003c\/li\u003e\n\u003cli\u003eBass-Boost 0-12 dB (CH3\/4) for customizable low-end punch\u003c\/li\u003e\n\u003cli\u003e61% Efficiency for optimized power usage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eUpgrade your car audio system with our 4-Channel Amplifier and enjoy an immersive sound experience. Whether you're driving 4 or 2 speakers, this amplifier delivers consistent and reliable performance.\u003c\/p\u003e\n\n\u003cp\u003eThe High Level Inputs with EPS simplify the installation process, and the Auto-Turn-On feature enhances user convenience. Fine-tune your audio with the Highpass and Lowpass filters, and add depth to your music with the Bass-Boost feature.\u003c\/p\u003e\n\n\u003cp\u003eUpgrade your car audio system today and enjoy the exceptional sound quality delivered by our 4-Channel Amplifier. Order now and let the music take you on a journey!\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":44896754860335,"sku":"4251476400405","price":129.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/esx-4-channel-esx-signum-4ch-amp-sxe100-4-4251476400405-41106974179631.jpg?v=1778526499"},{"product_id":"sxe150-4","title":"Esx Signum 4Ch Amp Sxe150.4","description":"\u003cdiv\u003e\n\u003ch2\u003e4-Channel 300W RMS Amplifier\u003c\/h2\u003e\n\u003cp\u003eElevate your car audio experience with our 4-Channel 300W RMS Amplifier! This high-performance amplifier delivers powerful and clear sound, making your drive more enjoyable.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e4 x 100W \/ 150W RMS @ 4 ohms \/ 2 ohms\u003c\/li\u003e\n\u003cli\u003e2 x 300W RMS @ 4 ohms (when bridged)\u003c\/li\u003e\n\u003cli\u003eHigh Level Inputs with EPS (Enhanced Power Supply) for easy setup\u003c\/li\u003e\n\u003cli\u003eAuto-Turn-On for convenient operation\u003c\/li\u003e\n\u003cli\u003e2 x Highpass 10-250 Hz for precise frequency control\u003c\/li\u003e\n\u003cli\u003eLowpass 50-250 Hz for optimal bass performance\u003c\/li\u003e\n\u003cli\u003eBandpass-Mode for versatile filtering options\u003c\/li\u003e\n\u003cli\u003eBass-Boost 0-12 dB (CH3\/4) for customizable low-end punch\u003c\/li\u003e\n\u003cli\u003e62% Efficiency for optimized power usage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eUnleash the full potential of your car's audio system with our 4-Channel Amplifier. Whether you're driving 4 or 2 speakers, this amplifier ensures a consistent and powerful sound experience.\u003c\/p\u003e\n\n\u003cp\u003eThe High Level Inputs with EPS simplify the installation process, and the Auto-Turn-On feature enhances user convenience. Fine-tune your audio with the Highpass and Lowpass filters, and add depth to your music with the Bass-Boost feature.\u003c\/p\u003e\n\n\u003cp\u003eUpgrade your car audio system today and enjoy the exceptional sound quality delivered by our 4-Channel Amplifier. Order now and let the music take you on a journey!\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":44896754893103,"sku":"4251476402836","price":169.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/esx-4-channel-esx-signum-4ch-amp-sxe150-4-4251476402836-41106974834991.jpg?v=1778526511"},{"product_id":"sxe250-4","title":"Esx Signum 4Ch Amp Sxe250.4","description":"\u003cdiv\u003e\n\u003ch2\u003e4-Channel 500W RMS Amplifier\u003c\/h2\u003e\n\u003cp\u003eElevate your car audio experience with our 4-Channel 500W RMS Amplifier! This high-performance amplifier delivers powerful and crystal-clear sound, making your drive more enjoyable.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e4 x 150W \/ 250W RMS @ 4 ohms \/ 2 ohms\u003c\/li\u003e\n\u003cli\u003e2 x 500W RMS bridged @ 4 ohms\u003c\/li\u003e\n\u003cli\u003eHigh Level Inputs with EPS (Enhanced Power Supply) for easy setup\u003c\/li\u003e\n\u003cli\u003eAuto-Turn-On for convenient operation\u003c\/li\u003e\n\u003cli\u003e2 x Highpass 10-250 Hz for precise frequency control\u003c\/li\u003e\n\u003cli\u003eLowpass 50-250 Hz for optimal bass performance\u003c\/li\u003e\n\u003cli\u003eBandpass-Mode for versatile filtering options\u003c\/li\u003e\n\u003cli\u003eBass-Boost 0-12 dB (CH3\/4) for customizable low-end punch\u003c\/li\u003e\n\u003cli\u003e62% Efficiency for optimized power usage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eUnleash the full potential of your car's audio system with our 4-Channel Amplifier. Whether you're driving 4 or 2 speakers, this amplifier ensures a consistent and rich sound experience.\u003c\/p\u003e\n\n\u003cp\u003eThe High Level Inputs with EPS simplify the installation process, and the Auto-Turn-On feature enhances user convenience. Fine-tune your audio with the Highpass and Lowpass filters, and add depth to your music with the Bass-Boost feature.\u003c\/p\u003e\n\n\u003cp\u003eUpgrade your car audio system today and enjoy the exceptional sound quality delivered by our 4-Channel Amplifier. Order now and let the music take you on a journey!\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":44896754925871,"sku":"4251476405714","price":239.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/esx-4-channel-esx-signum-4ch-amp-sxe250-4-4251476405714-41106975260975.jpg?v=1778526526"},{"product_id":"hxe100-4","title":"ESX HXE100.4 4-Channel Class A\/B Amplifier","description":"\u003cdiv class=\"ts-pdp-copy ts-pdp-copy--esx\"\u003e\n  \u003cp\u003eThe ESX HXE100.4 is a HORIZON-series 4-channel Class A\/B analogue amplifier for universal car audio speaker upgrades. The official ESX English page and owner manual confirm 4 x 60W RMS at 4 ohm, 4 x 100W RMS at 2 ohm and 2 x 200W RMS bridged at 4 ohm.\u003c\/p\u003e\n  \u003cp\u003eIt adds two high-pass filter sections, low-pass filtering, bandpass mode and bass boost on channels 3\/4, with a heavy aluminium heatsink and compact 220 x 51 x 342 mm chassis.\u003c\/p\u003e\n\n  \u003ch3\u003eKey specifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e4-channel Class A\/B analogue amplifier\u003c\/li\u003e\n    \u003cli\u003e4 x 60\/100W RMS at 4\/2 ohm\u003c\/li\u003e\n    \u003cli\u003e2 x 200W RMS bridged at 4 ohm\u003c\/li\u003e\n    \u003cli\u003e2 x HPF 10-250 Hz\u003c\/li\u003e\n    \u003cli\u003eLPF 50-250 Hz\u003c\/li\u003e\n    \u003cli\u003eBass Boost 0-12 dB on CH3\/4\u003c\/li\u003e\n    \u003cli\u003eBandpass Mode\u003c\/li\u003e\n    \u003cli\u003eDimensions 220 x 51 x 342 mm\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eBest used for\u003c\/h3\u003e\n  \u003cp\u003eUse the HXE100.4 for front\/rear speaker amplification or bridged 2-channel speaker layouts where a straightforward analogue amplifier is preferred.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":44896754958639,"sku":"635927105028","price":109.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/esx-4-channel-esx-horizon-4ch-amp-hxe100-4-635927105028-41106976276783.jpg?v=1778526537"},{"product_id":"qe80-4dsp","title":"Esx Quantum 4Ch Dsp Amp Qe80.4Dsp","description":"\u003cdiv\u003e\n\u003ch2\u003e4-Channel 250W RMS Amplifier (CLASS-D)\u003c\/h2\u003e\n\u003cp\u003eExperience exceptional audio performance with our 4-Channel 250W RMS Amplifier! This Class-D amp delivers outstanding power and clarity.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e4 x 80W \/ 125W RMS @ 4 ohms \/ 2 ohms\u003c\/li\u003e\n\u003cli\u003e2 x 250W RMS @ 4 ohms (when bridged)\u003c\/li\u003e\n\u003cli\u003e6 x RCA Inputs for versatile audio connectivity\u003c\/li\u003e\n\u003cli\u003e4 x RCA Outputs (via DSP configurable) for seamless integration\u003c\/li\u003e\n\u003cli\u003eAuto-Turn-On for hassle-free operation\u003c\/li\u003e\n\u003cli\u003e6 CH High Level Inputs for easy setup\u003c\/li\u003e\n\u003cli\u003e3.5mm AUX Input and Optical Input (HD-Audio) for additional sources\u003c\/li\u003e\n\u003cli\u003e8-Channel DSP with advanced features like X-DSP\u003c\/li\u003e\n\u003cli\u003e32 bit \/ 192 kHz DSP for high-resolution audio processing\u003c\/li\u003e\n\u003cli\u003eDSP Software X-CONTROL with graphical Interface for intuitive control\u003c\/li\u003e\n\u003cli\u003eIncluded LED DSP-Controller with up to 10 settings\u003c\/li\u003e\n\u003cli\u003e79% Efficiency for optimized power usage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eElevate your audio experience with our 4-Channel Amplifier. The DSP capabilities, including X-DSP and X-CONTROL, allow you to fine-tune the sound to perfection. With various inputs and outputs, this amp offers exceptional versatility and easy integration into your audio setup.\u003c\/p\u003e\n\n\u003cp\u003eUpgrade your car audio system today and enjoy the ultimate audio performance with our 4-Channel Amplifier. Order now and experience the true power of sound!\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":44896754991407,"sku":"635927105066","price":424.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/esx-4-channel-esx-quantum-4ch-dsp-amp-qe80-4dsp-635927105066-41106977063215.jpg?v=1778526554"},{"product_id":"q-fourv2","title":"Esx Quantum 4Ch Digital Amp Q-Fourv2 12V","description":"\u003cdiv\u003e\n\u003ch2\u003e4-Channel 100W RMS Amplifier\u003c\/h2\u003e\n\u003cp\u003eExperience powerful sound with our 4-Channel 100W RMS Amplifier! Whether you're driving 4 or 2 speakers, this Constant Power Fullrange Class-D Amp delivers crystal-clear audio.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e4 x 100W RMS @ 4 ohms \/ 2 ohms\u003c\/li\u003e\n\u003cli\u003e2 x 200W RMS @ 4 ohms \/ 2 ohms (when bridged)\u003c\/li\u003e\n\u003cli\u003eHigh Level Inputs with Auto-Turn-On and EPS for easy setup\u003c\/li\u003e\n\u003cli\u003eBass-Boost 0-12 dB for customizable low-end punch\u003c\/li\u003e\n\u003cli\u003eDupe-Mode (Bridge Mode) CH3\/4 \u0026gt; CH1\/2 for enhanced audio options\u003c\/li\u003e\n\u003cli\u003eHP 20-4000 Hz (CH1\/2) and HP 10-500 Hz (CH3\/4) for fine-tuning\u003c\/li\u003e\n\u003cli\u003eLP 50-4000 Hz (CH3\/4) for precise frequency control\u003c\/li\u003e\n\u003cli\u003eStart\/Stop ready for seamless integration into your system\u003c\/li\u003e\n\u003cli\u003e84% Efficiency for optimized power usage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eUpgrade your car audio system with this efficient and reliable amplifier. The high-level inputs with Auto-Turn-On and EPS make installation a breeze. Plus, the Bass-Boost and Dupe-Mode (Bridge Mode) features let you tailor the audio output to your preferences.\u003c\/p\u003e\n\n\u003cp\u003eGet ready for an immersive audio experience with our 4-Channel Amplifier. Order now and enjoy the perfect blend of power and precision!\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":44896755024175,"sku":"4251476402652","price":199.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/esx-4-channel-esx-quantum-4ch-digital-amp-q-fourv2-12v-4251476402652-41106978013487.jpg?v=1738967720"},{"product_id":"qe1200-4","title":"Esx Quantum Digital 4Ch Amp Qe1200.4","description":"\u003cp\u003eExperience powerful audio with this 4-channel Class-D amplifier. It delivers 200W RMS per channel at 4 ohms and 300W RMS per channel at 2 ohms. When bridged, it can provide an impressive 600W RMS at 4 ohms for even greater performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHighpass filter options: 50 - 5000 Hz for CH1\/2 and 10 - 500 Hz for CH3\/4\u003c\/li\u003e\n\u003cli\u003eLowpass filter for CH3\/4: 50 - 5000 Hz\u003c\/li\u003e\n\u003cli\u003eBandpass mode available\u003c\/li\u003e\n\u003cli\u003eBass-Boost: Enhance your bass with a 12 dB boost at 40 Hz\u003c\/li\u003e\n\u003cli\u003eCopy-Mode: Easily copy settings from CH3\/4 to CH1\/2\u003c\/li\u003e\n\u003cli\u003eLine-Outputs for added convenience\u003c\/li\u003e\n\u003cli\u003e2\/4 CH Input Mode for flexible configuration\u003c\/li\u003e\n\u003cli\u003eIncluded Bass-Remote for easy control\u003c\/li\u003e\n\u003cli\u003eStart\/Stop ready for hassle-free operation\u003c\/li\u003e\n\u003cli\u003eHigh Level Inputs with EPS for seamless integration\u003c\/li\u003e\n\u003cli\u003eAuto-Turn-On feature for automatic activation\u003c\/li\u003e\n\u003cli\u003eImpressive efficiency at 84%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eElevate your audio experience with this versatile and efficient amplifier. Enjoy high-quality sound and customizable options to suit your preferences.\u003c\/p\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":44896755056943,"sku":"4251476402621","price":514.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/esx-4-channel-esx-quantum-digital-4ch-amp-qe1200-4-4251476402621-41106978996527.jpg?v=1738967827"},{"product_id":"qe900-4","title":"Esx Quantum Digital 4Ch Amp Qe900.4","description":"\u003ch3\u003eHigh-Performance 4-Channel Class-D Amplifier with Bridgeable Option\u003c\/h3\u003e\n\u003cp\u003ePower Output:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4 x 150 Watts RMS @ 4 Ohms\u003c\/li\u003e\n\u003cli\u003e4 x 225 Watts RMS @ 2 Ohms\u003c\/li\u003e\n\u003cli\u003e2 x 450 Watts RMS @ 4 Ohms (Bridged)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAmplifier Type: Class-D\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHighpass Filter CH1\/2: 50 - 5000 Hz\u003c\/li\u003e\n\u003cli\u003eHighpass Filter CH3\/4: 10 - 500 Hz\u003c\/li\u003e\n\u003cli\u003eLowpass Filter CH3\/4: 50 - 5000 Hz\u003c\/li\u003e\n\u003cli\u003eBandpass-Mode\u003c\/li\u003e\n\u003cli\u003eBass-Boost: 12 dB @ 40 Hz\u003c\/li\u003e\n\u003cli\u003eCopy-Mode (CH3\/4 \u0026gt; CH1\/2)\u003c\/li\u003e\n\u003cli\u003eLine-Outputs\u003c\/li\u003e\n\u003cli\u003e2\/4 CH Input Mode\u003c\/li\u003e\n\u003cli\u003eIncluded Bass-Remote\u003c\/li\u003e\n\u003cli\u003eStart\/Stop Ready\u003c\/li\u003e\n\u003cli\u003eHigh Level Inputs with EPS\u003c\/li\u003e\n\u003cli\u003eAuto-Turn-On\u003c\/li\u003e\n\u003cli\u003eEfficiency: 84%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eElevate your car audio experience with our high-performance 4-channel Class-D amplifier. This powerhouse delivers 150 Watts RMS at 4 Ohms and 225 Watts RMS at 2 Ohms for each channel, providing exceptional sound quality. When bridged, it produces an impressive 450 Watts RMS at 4 Ohms, making it perfect for those seeking even more power.\u003c\/p\u003e\n\u003cp\u003eThe amplifier offers versatile filtering options with highpass filters for CH1\/2 ranging from 50 to 5000 Hz, and for CH3\/4 from 10 to 500 Hz. Additionally, there is a lowpass filter for CH3\/4 with a frequency range of 50 to 5000 Hz, and a bandpass-mode for precise sound customization.\u003c\/p\u003e\n\u003cp\u003eYou can enhance the bass performance with the 12 dB boost at 40 Hz, and with the copy-mode functionality, the audio signals from CH3\/4 can be copied and routed to CH1\/2, expanding the configuration possibilities.\u003c\/p\u003e\n\u003cp\u003eFeaturing line-outputs and 2\/4 CH input mode, the amplifier allows you to connect various audio components seamlessly. The included bass-remote provides convenient control over the bass levels, while the Start\/Stop ready feature adds to the user-friendly experience.\u003c\/p\u003e\n\u003cp\u003eThe amplifier is equipped with high level inputs with EPS (Easy Power Supply) and Auto-Turn-On functionality, ensuring hassle-free integration into your car audio setup. With an efficiency rating of 84%, this Class-D amplifier maximizes power utilization while delivering exceptional performance.\u003c\/p\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":44896755089711,"sku":"4251476402980","price":384.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/esx-4-channel-esx-quantum-digital-4ch-amp-qe900-4-4251476402980-41106979586351.jpg?v=1738966701"},{"product_id":"ql800-4","title":"ESX QL800.4 4-Channel Class D Amplifier","description":"\u003cdiv class=\"ts-pdp-copy ts-pdp-copy--esx\"\u003e\n  \u003cp\u003eThe ESX QL800.4 is a QUANTUM QL 4-channel Class D digital amplifier for compact car audio installations. The official ESX page and owner manual confirm 4 x 125W RMS at 4 ohm, 4 x 200W RMS at 2 ohm and 2 x 400W RMS bridged at 4 ohm.\u003c\/p\u003e\n  \u003cp\u003eIt includes high-level inputs with EPS, auto turn-on, Start\/Stop readiness, a MOSFET PWM power supply, 3-way protection, 2\/4-channel input selection, copy mode for CH3\/4 to CH1\/2, bandpass-capable filtering and a compact bass remote controller.\u003c\/p\u003e\n\n  \u003ch3\u003eKey specifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e4-channel Class D digital amplifier\u003c\/li\u003e\n    \u003cli\u003e4 x 125\/200W RMS at 4\/2 ohm\u003c\/li\u003e\n    \u003cli\u003e2 x 400W RMS at 4 ohm bridged\u003c\/li\u003e\n    \u003cli\u003eHigh-level inputs with Error Protection System (EPS)\u003c\/li\u003e\n    \u003cli\u003eHPF 50-5000 Hz on CH1\/2\u003c\/li\u003e\n    \u003cli\u003eHPF 10-500 Hz and LPF 50-5000 Hz on CH3\/4\u003c\/li\u003e\n    \u003cli\u003eCopy mode CH3\/4 \u0026gt; CH1\/2, bass boost 0-12 dB and bandpass function\u003c\/li\u003e\n    \u003cli\u003eDimensions 226 x 43 x 120 mm\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eBest used for\u003c\/h3\u003e\n  \u003cp\u003eUse the QL800.4 for a compact 4-channel speaker amplifier, a bridged two-channel setup, or a front-stage plus subwoofer system where a space-saving amplifier and remote bass control are useful.\u003c\/p\u003e\n\n  \u003ch3\u003eSetup note\u003c\/h3\u003e\n  \u003cp\u003eSystem design and channel assignment matter on bridgeable multi-channel amplifiers. If you are unsure how to wire this into your vehicle, send us your system details by WhatsApp or email before ordering and we will help check the setup.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":44896756203823,"sku":"4251476405806","price":259.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/esx-4-channel-esx-quantum-digital-4ch-amp-ql800-4-4251476405806-41106980372783.jpg?v=1778526566"},{"product_id":"qm500-4","title":"Esx Quantum Digital 4Ch Amp Qm500.4","description":"\u003ch3\u003eHigh-Performance 4-Channel Class-D Amplifier with Bridgeable Option\u003c\/h3\u003e\n\u003cp\u003ePower Output:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4 x 80 Watts RMS @ 4 Ohms\u003c\/li\u003e\n\u003cli\u003e4 x 125 Watts RMS @ 2 Ohms\u003c\/li\u003e\n\u003cli\u003e2 x 250 Watts RMS @ 4 Ohms (Bridged)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAmplifier Type: Class-D\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHighpass Filter: 10 - 500 Hz\u003c\/li\u003e\n\u003cli\u003eLowpass Filter: 50 - 5000 Hz\u003c\/li\u003e\n\u003cli\u003eBandpass-Mode\u003c\/li\u003e\n\u003cli\u003eLine-Outputs\u003c\/li\u003e\n\u003cli\u003eTwin-Sub Configuration\u003c\/li\u003e\n\u003cli\u003eIncluded Bass-Remote\u003c\/li\u003e\n\u003cli\u003eEfficiency: 89%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eExperience the power of our high-performance 4-channel Class-D amplifier that delivers exceptional audio quality. With a power output of 80 Watts RMS at 4 Ohms and 125 Watts RMS at 2 Ohms for each channel, this amplifier ensures impressive sound reproduction for your car audio system. Additionally, it can be bridged to provide 2 x 250 Watts RMS at 4 Ohms, offering even more versatility in your setup.\u003c\/p\u003e\n\u003cp\u003eThe amplifier features a highpass filter that allows you to adjust the frequency range from 10 to 500 Hz, as well as a lowpass filter with a range of 50 to 5000 Hz, giving you precise control over the sound output. The bandpass-mode further enhances the sound customization options. With line-outputs and a twin-sub configuration, you can easily connect multiple audio components for a complete audio experience.\u003c\/p\u003e\n\u003cp\u003eFor added convenience, the amplifier comes with an included bass-remote, enabling you to control the bass level from the driver's seat. With an impressive efficiency of 89%, this Class-D amplifier ensures optimal performance with minimal power consumption.\u003c\/p\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":44896756498735,"sku":"4251476406063","price":219.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/esx-4-channel-esx-quantum-digital-4ch-amp-qm500-4-4251476406063-41106981028143.jpg?v=1778526576"},{"product_id":"qm-four","title":"Esx Quantum Digital 4Ch Mini Amp Qm-Four","description":"\u003ch3\u003eVersatile 4-Channel Class D Amplifier with Bridgeable Option\u003c\/h3\u003e\n\u003cp\u003ePower Output:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4 x 52 Watts RMS @ 4 Ohms\u003c\/li\u003e\n\u003cli\u003e4 x 90 Watts RMS @ 2 Ohms\u003c\/li\u003e\n\u003cli\u003e2 x 180 Watts RMS bridged @ 4 Ohms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAmplifier Type: Class D\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHighpass Filter: 40 - 250 Hz\u003c\/li\u003e\n\u003cli\u003eLowpass Filter: 40 - 250 Hz\u003c\/li\u003e\n\u003cli\u003eBass-Boost: 0 \/ 6 \/ 12 dB\u003c\/li\u003e\n\u003cli\u003eLine-Outputs\u003c\/li\u003e\n\u003cli\u003eClipping LED\u003c\/li\u003e\n\u003cli\u003eHigh Level Input with EPS and Auto Turn On\u003c\/li\u003e\n\u003cli\u003eEfficiency up to 90%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe versatile 4-channel Class D amplifier delivers powerful audio performance with its RMS power of 52 Watts at 4 Ohms and 90 Watts at 2 Ohms. Additionally, it can be bridged to provide 2 x 180 Watts RMS at 4 Ohms, offering flexibility in your audio setup. The amplifier features highpass and lowpass filters, allowing you to fine-tune the sound in the frequency range of 40 to 250 Hz. You can also adjust the bass-boost by 0, 6, or 12 dB to suit your preferences.\u003c\/p\u003e\n\u003cp\u003eDesigned with convenience in mind, the amplifier comes with line-outputs and a clipping LED indicator. Its high-level input supports EPS (Electrical Power Supply) and Auto Turn On, making installation hassle-free. With an impressive efficiency of up to 90%, this Class D amplifier ensures efficient power consumption and optimal performance for your car audio system.\u003c\/p\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":44896756531503,"sku":"4251476408098","price":169.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/esx-4-channel-esx-quantum-digital-4ch-mini-amp-qm-four-4251476408098-41106981388591.jpg?v=1778526588"},{"product_id":"qm-four-pp","title":"Esx Quantum Digital 4Ch Mini Amp Qm-Four-Pp","description":"\u003ch3\u003ePowerful Plug \u0026amp; Play 4-Channel Class D Amplifier\u003c\/h3\u003e\n\u003cp\u003ePower Output:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4 x 52 Watts RMS @ 4 Ohms\u003c\/li\u003e\n\u003cli\u003e4 x 90 Watts RMS @ 2 Ohms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAmplifier Type: Class D\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes Quadlock Cable (5m, no current)\u003c\/li\u003e\n\u003cli\u003eEasy Plug \u0026amp; Play installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe QM-FOUR Plus is a powerful 4-channel Class D amplifier with 52 Watts RMS power at 4 Ohms and 90 Watts RMS power at 2 Ohms. Its Class D technology ensures high efficiency and reliable performance. The amplifier comes with a convenient 5m Quadlock Cable for easy installation. Simply plug and play to experience enhanced audio performance in your car audio system.\u003c\/p\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":44896756564271,"sku":"4251476408104","price":239.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/esx-4-channel-esx-quantum-digital-4ch-mini-amp-qm-four-pp-4251476408104-41106981749039.jpg?v=1778526602"},{"product_id":"vx1400-4pro","title":"Esx Vision Digital Monoblock Vx1400.4Pro","description":"\u003ch3\u003e4-Channel Ultra Class D Amplifier - Power and Versatility\u003c\/h3\u003e\n\u003cp\u003ePower Output:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4 x 200 Watts RMS @ 4 Ohms\u003c\/li\u003e\n\u003cli\u003e4 x 350 Watts RMS @ 2 Ohms\u003c\/li\u003e\n\u003cli\u003e2 x 700 Watts RMS (Bridged) @ 4 Ohms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eChannel Configuration:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eChannels 1\/2: Highpass 50-5000 Hz\u003c\/li\u003e\n\u003cli\u003eChannels 3\/4: Highpass 50-500 Hz\u003c\/li\u003e\n\u003cli\u003eSubsonic Filter: Lowpass 50-5000 Hz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdditional Features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExternal Fuse required for safe operation\u003c\/li\u003e\n\u003cli\u003eUniversal Bass-Remote HF-RC1 (optional)\u003c\/li\u003e\n\u003cli\u003eEfficiency up to 87%\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":44896756597039,"sku":"4251476407640","price":424.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/esx-4-channel-esx-vision-digital-monoblock-vx1400-4pro-4251476407640-41106982502703.jpg?v=1778526614"},{"product_id":"dlc44","title":"Esx Direction 4Ch Hi\/Lo Converter Dlc44 (With Eps Pro)","description":"\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eContinuously controlled symmetric HD Power Supply\u003c\/li\u003e\n\u003cli\u003e4-Channel High-Input up to 400 Watts (40V RMS) per Channel\u003c\/li\u003e\n\u003cli\u003eInput Voltage switchable 1-15V \/ 15-40V\u003c\/li\u003e\n\u003cli\u003e4-Channel RCA\/RCA Low-Output up to 9V RMS\u003c\/li\u003e\n\u003cli\u003eFrequency Response 5 Hz - 57 kHz (+0 dB, -1dB)\u003c\/li\u003e\n\u003cli\u003eEPS PRO (selectable) 10? - 150? - 600?\u003c\/li\u003e\n\u003cli\u003eAuto Turn On (DC Offset \/ Signal) – Vox controllable\u003c\/li\u003e\n\u003cli\u003eProduces 12V Remote-Output\u003c\/li\u003e\n\u003cli\u003eClipping LED\u003c\/li\u003e\n\u003cli\u003eFloating ground - via Jumper\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":44896762790191,"sku":"4251476405752","price":109.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/esx-signal-converters-esx-direction-4ch-hi-lo-converter-dlc44-with-eps-pro-4251476405752-41107011993903.jpg?v=1778527067"},{"product_id":"hlc4","title":"Esx 4Ch High To Low Level Converter Hlc4","description":"\u003cp\u003e4-channel high-low adapter for OEM radios with EPS:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRemote In \/ Out\u003c\/li\u003e\n\u003cli\u003eAuto Turn On function\u003c\/li\u003e\n\u003cli\u003eLevel control with clipping LED\u003c\/li\u003e\n\u003cli\u003eSlew rate 9V \/ µS\u003c\/li\u003e\n\u003cli\u003eChannel separation 80 dB\u003c\/li\u003e\n\u003cli\u003eSignal to noise ratio \u0026gt; 95dB\u003c\/li\u003e\n\u003cli\u003eInput level up to 10V\u003c\/li\u003e\n\u003cli\u003eVery low idle current\u003c\/li\u003e\n\u003cli\u003e5 Hz - 60 KHz (+\/- 1 dB)\u003c\/li\u003e\n\u003cli\u003eScrewed RCA sockets\u003c\/li\u003e\n\u003cli\u003eIncl. velvet bag\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":44896762888495,"sku":"4251476403543","price":69.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/esx-signal-converters-esx-4ch-high-to-low-level-converter-hlc4-4251476403543-41107012452655.jpg?v=1778527086"},{"product_id":"sx-blt4","title":"Esx 4Ch Balanced Line Transmitter Sx-Blt4","description":"\u003cp\u003eFor 4-channel amplifiers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable Input level\u003c\/li\u003e\n\u003cli\u003eRCA inputs\u003c\/li\u003e\n\u003cli\u003eSymmetrical DIN Outputs\u003c\/li\u003e\n\u003cli\u003eIncl. 2 x 5 m cables for all ESX Amps\u003c\/li\u003e\n\u003cli\u003eWith balanced line inputs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":44896762954031,"sku":"635927103017","price":44.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/esx-signal-converters-esx-4ch-balanced-line-transmitter-sx-blt4-635927103017-41107013108015.jpg?v=1778527098"},{"product_id":"ql600-4-24v","title":"ESX QL600.4-24V 4-Channel Class D Amplifier","description":"\u003cdiv\u003e\n\u003ch2\u003e24V QUANTUM QL four-channel power for trucks and coaches\u003c\/h2\u003e\n\u003cp\u003eThe ESX QL600.4-24V is a 4-channel Class D amplifier for 24 volt vehicle electrical systems, giving compact QUANTUM QL performance where installation space is tight.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e4-channel Class D digital amplifier for 24V vehicle systems\u003c\/li\u003e\n\u003cli\u003e4 x 100W RMS at 4 ohm or 4 x 170W RMS at 2 ohm\u003c\/li\u003e\n\u003cli\u003e2 x 340W RMS bridged at 4 ohm\u003c\/li\u003e\n\u003cli\u003e24V operation for truck and coach electrical systems\u003c\/li\u003e\n\u003cli\u003eHPF 50-5000 Hz on CH1\/2; HPF 10-500 Hz and LPF 50-5000 Hz on CH3\/4\u003c\/li\u003e\n\u003cli\u003eCopy Mode CH3\/4 to CH1\/2, Input Selector and Bandpass Function\u003c\/li\u003e\n\u003cli\u003eBass Boost 0-12 dB\u003c\/li\u003e\n\u003cli\u003e226 x 43 x 120 mm chassis with up to 86% efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse it for 24V truck and coach installs that need a compact four-channel amplifier with bridgeable output and flexible filtering.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":44896764756271,"sku":"4251476403420","price":259.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/esx-24v-range-esx-quantum-digital-4ch-amp-ql600-4-24v-4251476403420-41107019268399.jpg?v=1778527260"},{"product_id":"m4-v3","title":"MUSWAY M4+v3-512K 4CH DSP Amplifier","description":"\u003cp\u003eThe MUSWAY M4+v3-512K 4CH DSP Amplifier is a MUSWAY dsp amplifier for active car audio upgrades where tuning control and compact installation matter. It is suited to builds needing dsp, 512k, class d.\u003c\/p\u003e\n\u003cp\u003eUse the feature and technical specification sections below to compare channels, RMS output, impedance support, tuning options and installation details before ordering. Key installation details and specifications are listed below.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/musway-m4-v3-512k-owner-manual.pdf?v=1778190576\" target=\"_blank\" rel=\"noopener\"\u003eDownload the M4-V3-512K owner manual\u003c\/a\u003e\u003c\/p\u003e","brand":"Musway","offers":[{"title":"Default Title","offer_id":44900636623151,"sku":null,"price":499.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/m4-v3-512k_angle_8ca292c1-3de9-4324-96a0-9eed2f028947.jpg?v=1778509127"},{"product_id":"four100","title":"MUSWAY Digital 4-Channel AMP FOUR100","description":"\u003cp\u003e\n4 x 120 \/ 200 Watts RMS @ 4 \/ 2 ohms (Class D) \u003cbr\u003e\n2 x 400 Watts RMS bridged @ 4 ohms \u003cbr\u003e\n• Highpass 10 - 500 Hz • Lowpass 50 - 5000 Hz \u003cbr\u003e\n• Bandpass-Mode • Line-Out • Bass-Boost 0-12 dB @ 45 Hz \u003cbr\u003e\n• High Level Inputs with EPS • Auto Turn On • Start\/Stop enabled \u003cbr\u003e\n• 2\/4 CH Input Mode • Incl. Bass-Remote • 88% Efficiency\n\u003c\/p\u003e","brand":"Musway","offers":[{"title":"Default Title","offer_id":44900636786991,"sku":"4251476404823","price":294.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/musway-musway-digital-4-channel-amp-four100-4251476404823-41115843002671.jpg?v=1738968233"},{"product_id":"q-fourv2-24v","title":"Esx Quantum Digital 4Ch Amp Q-Fourv2-24V","description":"\u003cp\u003e\n\u003cstrong\u003eConstant Power Fullrange Class-D Amp\u003c\/strong\u003e\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4 x 100 W RMS @ 4 Ohms \/ 2 Ohms\u003c\/li\u003e\n\u003cli\u003e2 x 200 W RMS @ 4 Ohms \/ 2 Ohms (Bridged)\u003c\/li\u003e\n\u003cli\u003eHigh Level Inputs with Auto-Turn-On and EPS (Enhanced Protection System)\u003c\/li\u003e\n\u003cli\u003eBass-Boost: 0-12 dB\u003c\/li\u003e\n\u003cli\u003eDupe-Mode CH3\/4 \u0026gt; CH1\/2\u003c\/li\u003e\n\u003cli\u003eHigh Pass (HP): 20-4000 Hz (CH1\/2), 10-500 Hz (CH3\/4)\u003c\/li\u003e\n\u003cli\u003eLow Pass (LP): 50-4000 Hz (CH3\/4)\u003c\/li\u003e\n\u003cli\u003eStart\/Stop Ready\u003c\/li\u003e\n\u003cli\u003e84% Efficiency\u003c\/li\u003e\n\u003cli\u003e24 VOLTS EDITION\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\nExperience powerful and efficient audio performance with the Constant Power Fullrange Class-D Amp. This versatile amplifier delivers 4 x 100 W RMS at 4 Ohms or 2 Ohms, as well as 2 x 200 W RMS when bridged to 4 Ohms or 2 Ohms, providing ample power for your car audio system.\u003c\/p\u003e\n\u003cp\u003e\nThe amplifier features high-level inputs with auto-turn-on and EPS, offering seamless integration and enhanced protection for your audio system against potential damage.\u003c\/p\u003e\n\u003cp\u003e\nFine-tune your sound with the adjustable bass-boost, and take advantage of the Dupe-Mode CH3\/4 \u0026gt; CH1\/2 functionality for added versatility.\u003c\/p\u003e\n\u003cp\u003e\nThe high pass and low pass filters further enhance your audio customization, enabling you to tailor the sound to your preferences and the characteristics of your speakers.\u003c\/p\u003e\n\u003cp\u003e\nWith 84% efficiency and the 24 VOLTS EDITION, this Class-D Amp is optimized for high performance and energy efficiency, making it an excellent addition to your car audio setup.\u003c\/p\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":44955885994287,"sku":"4251476402669","price":219.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/esx-24v-range-esx-quantum-digital-4ch-amp-q-fourv2-24v-4251476402669-41106983223599.jpg?v=1694691795"},{"product_id":"musway-four200","title":"MUSWAY FOUR200 4-Channel Class D Amplifier","description":"\u003cp\u003eThe MUSWAY FOUR200 4-Channel Class D Amplifier is a MUSWAY amplifier for front-and-rear speaker upgrades or bridged system layouts. It is suited to builds needing class d, high level input, remote control.\u003c\/p\u003e\n\u003cp\u003eUse the feature and technical specification sections below to compare channels, RMS output, impedance support, tuning options and installation details before ordering. Key installation details and specifications are listed below.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/musway-four200-owner-manual.pdf?v=1778190561\" target=\"_blank\" rel=\"noopener\"\u003eDownload the FOUR200 owner manual\u003c\/a\u003e\u003c\/p\u003e","brand":"Musway","offers":[{"title":"Default Title","offer_id":57815610065270,"sku":"FOUR200","price":299.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/four200_angle.jpg?v=1778240192"},{"product_id":"musway-m4-nano-512k","title":"MUSWAY M4 Nano 512K 4CH DSP Amplifier","description":"\u003cp\u003eThe MUSWAY M4 Nano 512K 4CH DSP Amplifier is a MUSWAY dsp amplifier for active car audio upgrades where tuning control and compact installation matter. It is suited to builds needing dsp, 512k, class d.\u003c\/p\u003e\n\u003cp\u003eUse the feature and technical specification sections below to compare channels, RMS output, impedance support, tuning options and installation details before ordering. Key installation details and specifications are listed below.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/musway-m4-nano-512k-owner-manual.pdf?v=1778190571\" target=\"_blank\" rel=\"noopener\"\u003eDownload the M4 Nano 512K owner manual\u003c\/a\u003e\u003c\/p\u003e","brand":"Musway","offers":[{"title":"Default Title","offer_id":57815616717174,"sku":"M4 Nano 512K","price":480.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/05653.jpg?v=1778240304"},{"product_id":"esx-audio-qs-four","title":"ESX QS-FOUR 4-Channel Class D Nano Amplifier","description":"\u003cdiv class=\"ts-pdp-copy ts-pdp-copy--esx\"\u003e\n  \u003cp\u003eThe ESX QS-FOUR is an ultra-compact QUANTUM 4-channel Class D Plug+Play nano amplifier for adding real speaker power where installation space is tight.\u003c\/p\u003e\n  \u003cp\u003eESX specifies up to 4 x 60W RMS from a 90 x 35 x 80 mm chassis, with switchable HPF\/LPF filtering at 80 Hz, bridged output capability and low-level outputs for adding an active subwoofer.\u003c\/p\u003e\n  \u003ch3\u003eKey specifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e4-channel Class D Plug+Play nano digital amplifier\u003c\/li\u003e\n    \u003cli\u003e4 x 35\/45\/60W RMS at 4\/3\/2 ohm\u003c\/li\u003e\n    \u003cli\u003e2 x 120W RMS at 4 ohm bridged\u003c\/li\u003e\n    \u003cli\u003e2 x HPF\/LPF at 80 Hz\u003c\/li\u003e\n    \u003cli\u003eDimensions 90 x 35 x 80 mm\u003c\/li\u003e\n    \u003cli\u003eEfficiency up to 90%\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":57822555963766,"sku":"QS-FOUR","price":169.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/qs-four_angle_left_fdbd1416-f76b-4476-a222-e15d81572f17.jpg?v=1780009721"},{"product_id":"esx-audio-qs-four-iso","title":"ESX QS-FOUR-ISO 4-Channel Plug+Play Nano Amplifier","description":"\u003cp\u003eThe ESX QS-FOUR-ISO is a QUANTUM 4-channel Class D Plug+Play nano amplifier for suitable ISO connector installations. It is designed to power front and rear speakers from a tiny 90 x 35 x 80 mm chassis without the space demands of a conventional amplifier install.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e4 x 35\/45\/60W RMS at 4\/3\/2 ohm, or 2 x 120W RMS bridged at 4 ohm.\u003c\/li\u003e\n\u003cli\u003eIncludes a 60 cm HD-Audio ISO Plug+Play wire harness for suitable ISO connector vehicles.\u003c\/li\u003e\n\u003cli\u003eSwitchable HPF\/LPF filtering at 80 Hz for front and rear channels.\u003c\/li\u003e\n\u003cli\u003eHigh-level inputs with EPS, Auto Turn-On, Start\/Stop readiness and RCA inputs\/outputs via cable connector.\u003c\/li\u003e\n\u003cli\u003eStereo RCA output can feed an active subwoofer where the system layout supports it.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBefore ordering:\u003c\/strong\u003e Check the vehicle uses the correct ISO connector layout and that the factory wiring can support this amplifier installation.\u003c\/p\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":57822555996534,"sku":"QS-FOUR-ISO","price":194.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/qs-four-iso_angle_left.jpg?v=1778371632"},{"product_id":"esx-audio-q-fourv3-24v","title":"ESX Q-FOURv3-24V 4-Channel Class D Amplifier","description":"\u003cp\u003eThe ESX Q-FOURv3-24V is a QUANTUM Q 4-channel Class D compact digital amplifier for 24 volt truck and coach electrical systems. The official ESX page verifies Constant Power output of 4 x 100W RMS at 4 ohm, 4 x 120W RMS at 2 ohm and 2 x 200W RMS bridged at 4 ohm, with high-level inputs, EPS, Auto Turn-On, Start\/Stop readiness, flexible HPF\/LPF filtering, Bass Boost and a compact 150 x 50 x 220 mm chassis.\u003c\/p\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":57822556029302,"sku":"Q-FOURv3-24V","price":234.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/q-fourv3_front_angle_4584f754-b9d1-4cfb-8cfc-ae20934662c4.jpg?v=1778292490"},{"product_id":"esx-audio-q-fourv3","title":"ESX Q-FOURv3 4-Channel Class D Amplifier","description":"\u003cp\u003eThe ESX Q-FOURv3 is a QUANTUM Q 4-channel Class D compact digital amplifier for conventional 12 volt vehicle systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e4 x 100W RMS at 4 ohm or 4 x 120W RMS at 2 ohm Constant Power output\u003c\/li\u003e\n\u003cli\u003e2 x 200W RMS bridged at 4 ohm\u003c\/li\u003e\n\u003cli\u003eHigh-level inputs with Error Protection System (EPS), Auto Turn-On and Start\/Stop readiness\u003c\/li\u003e\n\u003cli\u003eHPF\/LPF filtering, Dupe Mode CH3\/4 to CH1\/2 and Bass Boost 0-12 dB\u003c\/li\u003e\n\u003cli\u003eCompact 150 x 50 x 220 mm chassis with up to 84% efficiency\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":57822556225910,"sku":"Q-FOURv3","price":209.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/q-fourv3_front_angle_face2024-ec04-4dfa-9130-e31340de4e75.jpg?v=1779990462"},{"product_id":"esx-audio-sx800-4","title":"ESX SX800.4 4-Channel Class D Amplifier","description":"\u003cdiv class=\"ts-pdp-copy ts-pdp-copy--esx\"\u003e\n  \u003cp\u003eThe ESX SX800.4 is a SIGNUM SX 4-channel Class D amplifier for powerful front and rear speaker systems, active 2-way setups or a 3-channel speaker-and-subwoofer layout. The official ESX page confirms 4 x 110W RMS at 4 ohm, 4 x 200W RMS at 2 ohm and 2 x 400W RMS bridged at 4 ohm.\u003c\/p\u003e\n  \u003cp\u003eIt uses a compact die-cast aluminium heatsink and includes RCA inputs and outputs, high-level inputs with EPS, auto turn-on, start\/stop readiness, front and rear HPF\/LPF filtering, rear bass boost, input selector and a compact bass remote controller.\u003c\/p\u003e\n\n  \u003ch3\u003eKey specifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e4-channel Class D digital amplifier\u003c\/li\u003e\n    \u003cli\u003e4 x 110\/200W RMS at 4\/2 ohm\u003c\/li\u003e\n    \u003cli\u003e2 x 400W RMS at 4 ohm bridged\u003c\/li\u003e\n    \u003cli\u003eHPF\/LPF 50 - 5000 Hz on front and rear channels\u003c\/li\u003e\n    \u003cli\u003eRear bass boost 0 - 12 dB\u003c\/li\u003e\n    \u003cli\u003eInput selector 2CH\/4CH\u003c\/li\u003e\n    \u003cli\u003eCompact bass remote controller included\u003c\/li\u003e\n    \u003cli\u003eDimensions 140 x 44 x 225 mm\u003c\/li\u003e\n    \u003cli\u003eEfficiency up to 90%\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eBest used for\u003c\/h3\u003e\n  \u003cp\u003eUse the SX800.4 when you need a compact 4-channel amplifier for front\/rear speakers, an active 2-way system, or a 3-channel setup with a bridged subwoofer channel.\u003c\/p\u003e\n\n  \u003ch3\u003eSetup note\u003c\/h3\u003e\n  \u003cp\u003eSpeaker impedance, bridge mode and filter setup matter on multi-channel amplifiers. If you are unsure how to wire this into your vehicle, send us your system details by WhatsApp or email before ordering and we will help check the setup.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":57822556356982,"sku":"SX800.4","price":234.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/sx800.4_angle_l.jpg?v=1778371658"},{"product_id":"esx-audio-hxp400","title":"ESX HORIZON HXP400 12\" 4-Channel Bass Pack","description":"\u003ch2\u003eComplete 12-inch bass upgrade kit\u003c\/h2\u003e\n\u003cp\u003eThe ESX HORIZON HXP400 is a 4-channel bass pack designed to add a complete subwoofer and amplifier package without piecing together separate parts.\u003c\/p\u003e\n\u003cp\u003eIt combines a matching Class A\/B amplifier, a 12-inch bass reflex subwoofer enclosure, an installation cable kit and a wired bass remote for easy level control from the driver seat.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHXA100.4 4-channel Class A\/B analogue amplifier\u003c\/li\u003e\n  \u003cli\u003eHXB12R 30cm \/ 12-inch single bass reflex subwoofer enclosure\u003c\/li\u003e\n  \u003cli\u003eHXW4 10mm² amplifier installation kit\u003c\/li\u003e\n  \u003cli\u003eWired bass remote controller\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAmplifier output: 2 x 60W RMS at 4Ω \/ 2 x 100W RMS at 2Ω, plus 1 x 200W RMS bridged at 4Ω\u003c\/li\u003e\n  \u003cli\u003eSubwoofer: 300W RMS \/ 600W max, 4Ω\u003c\/li\u003e\n  \u003cli\u003eSubwoofer enclosure: MDF bass reflex box with protective bars\u003c\/li\u003e\n  \u003cli\u003eInstallation kit: 10mm² power and ground cable, RCA cable, Y-adapters and ANL fuse holder\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation note\u003c\/h3\u003e\n\u003cp\u003eThis is a complete bass pack, but installation requirements still depend on the vehicle and existing audio system. If you are unsure, send your vehicle details by WhatsApp or email and we can confirm suitability before ordering.\u003c\/p\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":57822556717430,"sku":"HXP400","price":259.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/hxp400_box.jpg?v=1778290852"},{"product_id":"esx-audio-vma700-4","title":"ESX VMA700.4 Marine 4-Channel Class D Amplifier","description":"\u003cdiv class=\"ts-pdp-copy ts-pdp-copy--esx\"\u003e\n  \u003cp\u003eESX VISION marine amplifiers are built for boats and other demanding locations, with IP67 protection for dust and temporary immersion resistance. The VMA700.4 is the 4-channel model in that range and is designed to power front and rear speaker systems where a radio alone does not provide enough output.\u003c\/p\u003e\n  \u003cp\u003eThe official English ESX page confirms 4 x 115W RMS at 4 ohm, 4 x 175W RMS at 2 ohm and 2 x 350W RMS bridged at 4 ohm. It uses efficient Class D amplification, RCA inputs, auto turn-on, protected controls behind a screwed cover, separate HPF\/LPF filtering for channel pairs 1\/2 and 3\/4, a 2CH\/4CH input mode switch and a compact 108 x 51 x 248 mm chassis.\u003c\/p\u003e\n\n  \u003ch3\u003eKey specifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eMarine 4-Channel Class D Digital Amplifier\u003c\/li\u003e\n\u003cli\u003e4 x 115\/175 Watts RMS @ 4\/2 ohm\u003c\/li\u003e\n\u003cli\u003e2 x 350 Watts RMS @ 4 ohm bridged\u003c\/li\u003e\n\u003cli\u003eHPF\/LPF 50 - 500 Hz (CH1\/2)\u003c\/li\u003e\n\u003cli\u003eHPF\/LPF 50 - 500 Hz (CH3\/4)\u003c\/li\u003e\n\u003cli\u003eInput Mode Switch 2CH\/4CH\u003c\/li\u003e\n\u003cli\u003eDimensions 108 x 51 x 248 mm\u003c\/li\u003e\n\u003cli\u003eEfficiency up to 87%\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eBest used for\u003c\/h3\u003e\n  \u003cp\u003eUse the VMA700.4 for marine front and rear speaker systems where compact size, IP67 protection and real multi-channel output matter. Check speaker impedance, mounting location and system layout before ordering.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ESX Audio","offers":[{"title":"Default Title","offer_id":57822559633782,"sku":"VMA700.4","price":304.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/vma700.4_angle_l_0f0e3aa9-1036-47c5-8577-c5bbe31cd680.jpg?v=1778367710"},{"product_id":"morel-mps-400w-4-channel-class-a-b-full-range-amplifier","title":"Morel MPS 400W 4 Channel Class A\/B Full-Range Amplifier","description":"\u003cp\u003eOur choice of mono, four-channel and five-channel amplifier configurations ensure that the MPS amplifiers will cover almost every sound system design.\u003c\/p\u003e\u003ch3\u003eKey details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel\/SKU: MOR MPS 4.400\u003c\/li\u003e\n\u003cli\u003eSeries: PERFORMANCE | MPS\u003c\/li\u003e\n\u003cli\u003eMPS 400W 4 Channel Class A\/B Full-Range Amplifier\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNot sure this is right for your system or vehicle? Send your setup details by WhatsApp or email before ordering.\u003c\/p\u003e","brand":"Morel","offers":[{"title":"Default Title","offer_id":57828037951862,"sku":"MOR MPS 4.400","price":499.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/170047766342500557_1a17c113-91ad-4473-8ac8-c7575346ea30.webp?v=1778407464"},{"product_id":"brax-gx2400","title":"BRAX GX2400","description":"\u003cp\u003e\u003cstrong\u003eBRAX GX2400\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHigh-End 4-Channel Amplifier\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Amplifier\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubcategory:\u003c\/strong\u003e DSP Amplifier\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpedance:\u003c\/strong\u003e 2 Ohm, 4 Ohm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e Built-in DSP\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.audiotec-fischer.de\/en\/brax\/amplifiers\/gx2400\" rel=\"noopener\" target=\"_blank\"\u003eOfficial product page\u003c\/a\u003e | \u003ca href=\"https:\/\/www.audiotec-fischer.de\/media\/pdf\/d7\/b3\/e1\/BA_BRAX-GRAPHIC-GX2400_web.pdf\" rel=\"noopener\" target=\"_blank\"\u003eManual\u003c\/a\u003e\u003c\/p\u003e","brand":"Brax","offers":[{"title":"Black \/ Long","offer_id":57830360940918,"sku":"12740","price":2499.99,"currency_code":"GBP","in_stock":true},{"title":"Silver \/ Long","offer_id":57890329330038,"sku":"12741","price":2499.99,"currency_code":"GBP","in_stock":false},{"title":"Black \/ Short","offer_id":57890329362806,"sku":"12742","price":2499.99,"currency_code":"GBP","in_stock":false},{"title":"Silver \/ Short","offer_id":57890329395574,"sku":"12743","price":2499.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/BRAX-GRAPHIC-GX2400_schwarz-Pers-Anschl-sse_1280x719px_15-04-20_600x600_2fad1323-377a-4d95-8ab6-a6634dbc69f6.jpg?v=1778454434"},{"product_id":"match-up-4dsp","title":"MATCH UP 4DSP","description":"\u003cp\u003e\u003cstrong\u003eMATCH UP 4DSP\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e4-channel Class GD upgrade amplifier with integrated 5-channel 64 Bit DSP for universal applications\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Amplifier\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubcategory:\u003c\/strong\u003e DSP Amplifier\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 1 Channel, 4 Channel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpedance:\u003c\/strong\u003e 2 Ohm, 4 Ohm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e Built-in DSP\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.audiotec-fischer.de\/en\/match\/amplifiers\/up-4dsp\" rel=\"noopener\" target=\"_blank\"\u003eOfficial product page\u003c\/a\u003e | \u003ca href=\"https:\/\/www.audiotec-fischer.de\/media\/pdf\/92\/85\/2d\/BA_UP-4DSP_Manual_20-11-2025.pdf\" rel=\"noopener\" target=\"_blank\"\u003eManual\u003c\/a\u003e\u003c\/p\u003e","brand":"Match","offers":[{"title":"Default Title","offer_id":57830376735094,"sku":"M114000","price":399.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/MATCH-UP-4DSP-perspective-29-09-25_600x600_efff6081-892d-47a4-83be-e68219096703.jpg?v=1778455531"},{"product_id":"vibe-powerbox400-1m","title":"POWERBOX400.1M-V7 Vibe 800 Watts Powerbox Micro Bass Amplifier - Vibe","description":"\u003cp\u003eSmall footprint, big impression! Vibe’s micro amplifier technology allows us to deliver high performance in an incredibly small footprint. Have two amplifier options within the Micro amplifie range, our mono (POWERBOX400.1M-V7) \u0026amp; 4 channel (POWERBOX65.4M-V7) Powerbox micro amps are small, yet mighty, with up to 400w for bass and 4 x 65w for speakers. The small size enables easy installation. The 4 channel features a +12v remote output and daisy chain signal output making it an ideal system building block. The 4 channel amp has the option to fit with ISO T harness direct to the head unit this supplies audio signal and power and earth meaning there is no need to connect a separate cable through to the vehicles battery, just plug and play. For the bass amp, an ISOAWK kit (available separately) is available that can be purchased with the amp to make it compatible with an ISO T harness to plug into the existing stereo loom in the vehicle just like the 4 channel.\u003cbr\u003ePOWERBOX400.1M-V7: Powerbox 800 Watt Micro Bass Amplifier Manual\u003cbr\u003eCan’t find the answer you’re looking for in our product manuals? Get in touch today and one of our experts will be happy to help.[Get in touch](https:\/\/vibeaudio.co.uk\/contact-us\/)\u003c\/p\u003e","brand":"Vibe","offers":[{"title":"Default Title","offer_id":57888086491510,"sku":"POWERBOX400.1M","price":99.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/POWERBOX400.1M-V7-MAIN-scaled.png?v=1779023005"},{"product_id":"vibe-powerbox65-4m","title":"POWERBOX65.4M-V7 Vibe 520 Watts Powerbox Micro 4 Channel Amplifier - Vibe","description":"\u003cp\u003eSmall footprint, big impression! Vibe’s latest amplifier technology allows us to deliver high performance in an incredibly small footprint. Our mono \u0026amp; 4 channel Powerbox micro amps are small, yet mighty, with up to 400w for bass and 4 x 65w for speakers. The small size enables easy installation. The 4 channel features a +12v remote output and daisy chain signal output making it an ideal system building block. The 4 channel amp has the option to fit with ISO T harness direct to the head unit this supplies audio signal and power and earth meaning there is no need to connect a separate cable through to the vehicles battery, just plug and play. For the bass amp, an ISOAWK kit (available separately) is available that can be purchased with the amp to make it compatible with an ISO T harness to plug into the existing stereo loom in the vehicle just like the 4 channel.\u003cbr\u003ePOWERBOX65.4M-V7: Powerbox 520 Watt Micro 4 Channel Amplifier Manual\u003cbr\u003eCan’t find the answer you’re looking for in our product manuals? Get in touch today and one of our experts will be happy to help.\u003c\/p\u003e","brand":"Vibe","offers":[{"title":"Default Title","offer_id":57888086524278,"sku":"POWERBOX65.4M","price":149.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8553\/6815\/files\/POWERBOX65.4-MAIN-COVER-IMAGE-8-scaled.png?v=1779023011"},{"product_id":"wavtech-link4","title":"link4+","description":"\u003cp\u003eWhen it comes to adding an amplifier or amplifiers to the factory audio system in a modern vehicle, the link4+ does what models from competing brands just can’t. It is compatible with Start-Stop systems, meaning you won’t lose sound at a red light. It also has our best in class adaptive loading, so it works with virtually any OEM system.\u003c\/p\u003e\u003cp\u003eThe link4+ is very flexibly. It can directly accept 4-channels of input and give you 4-channels of output. It can accept 2-channels of input and give you 4-channels of output. If you input 4-channels, you can sum them down to 2-channels of output and pass through another 2-channels for retained sub level control. It even has a 3.5mm Auxiliary Input so you can add your phone or other portable device to the system. No other 4-channel LOC can do all of that.\u003c\/p\u003e\u003cp\u003eAs an added bonus, it includes our Multi-Function Remote Level\/Source Control that can adjust your subwoofer output level, the volume of the auxiliary source or serve as a Master Volume Control for your entire system. 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