ESX Audio

Esx Quantum Digital 4Ch Amp Qe900.4

4-Channel

£384.99
Available to order
4-Channel SKU 4251476402980
Fitment System planning support
Tech specs Available on request
Manuals/downloads Where supplied
Warranty Manufacturer backed
Plan the system before checkout Check channel layout, power, impedance and DSP requirements before choosing wiring or speakers.
Why choose this product?

High-Performance 4-Channel Class-D Amplifier with Bridgeable Option

Power Output:

  • 4 x 150 Watts RMS @ 4 Ohms
  • 4 x 225 Watts RMS @ 2 Ohms
  • 2 x 450 Watts RMS @ 4 Ohms (Bridged)

Amplifier Type: Class-D

Features:

  • Highpass Filter CH1/2: 50 - 5000 Hz
  • Highpass Filter CH3/4: 10 - 500 Hz
  • Lowpass Filter CH3/4: 50 - 5000 Hz
  • Bandpass-Mode
  • Bass-Boost: 12 dB @ 40 Hz
  • Copy-Mode (CH3/4 > CH1/2)
  • Line-Outputs
  • 2/4 CH Input Mode
  • Included Bass-Remote
  • Start/Stop Ready
  • High Level Inputs with EPS
  • Auto-Turn-On
  • Efficiency: 84%

Elevate 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.

The 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.

You 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.

Featuring 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.

The 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.

Compatibility and support

For vehicle-specific advice, send your vehicle make, model, year, current factory audio setup and what you want to improve.

We reply by email or WhatsApp so you have the recommendation in writing.

Downloads
Manual or fitting data may be available on request.

Need fitment help?

Ask before ordering if the vehicle, wiring or DSP setup is unclear.

Send the make, model, year, factory audio setup and what you want to improve. We’ll reply in writing so you have the advice to refer back to.

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