ESX Audio

ESX QS-FOUR-ISO 4-Channel Plug+Play Nano Amplifier

4-Channel

£194.99
Available to order
4-Channel SKU QS-FOUR-ISO Manual included
Fitment Confirm before ordering
Tech specs Shown below
Manuals/downloads Download linked
Warranty Manufacturer backed
Confirm the right install part Send make, model, year and factory audio details so we can check this accessory fits the job.
Why choose this product?
The QS-FOUR-ISO is for compact ISO plug-and-play speaker upgrades where a conventional amplifier is too large or too involved. It adds 4-channel Class D power for front and rear speakers from a tiny chassis, with RCA output available for an active subwoofer.
Key features
- 4-channel Class D Plug+Play nano digital amplifier
- 4 x 35/45/60W RMS at 4/3/2 ohm
- 2 x 120W RMS at 4 ohm bridged
- 60 cm HD-Audio ISO Plug+Play wire harness
- Switchable HPF/LPF at 80 Hz
- RCA inputs and outputs via cable connector
- Stereo RCA output for active subwoofer expansion
- 90 x 35 x 80 mm ultra-compact chassis
- Efficiency up to 90%
Technical details
Specifications - 4-Channel Class D Plug+Play Nano Digital Amplifier - 4 x 35/45/60 Watts RMS @ 4/3/2 ohm - 2 x 120 Watts RMS @ 4 ohm bridged - 2 x HPF/LPF @ 80 Hz - Frequency Range 10 Hz - 60 kHz - Dimensions 90 x 35 x 80 mm - Efficiency up to 90% Downloads - Product manual available - Channel chart available
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
Download owner manual Manufacturer documentation supplied where available.

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.

WhatsApp compatibility help Email us
ESX QS-FOUR-ISO 4-Channel Plug+... £194.99