Best Multichannel Amplifiers Deals Online in the UK (23 Deals Found)

Last Updated - 13/09/2026 Sort By:

Best Choice
Donner

New
Bluetooth 5.0 Audio Power Amplifier, Donner Peak power 440 W Hi-Fi Wireless Power Amp 4 channel Desktop Amp with USB, SD
High-power Independent Control: The peak power of Donner Bluetooth Stereo Audio Amplifier Receiver can set up to 440W(11

£139.99
Taramp's

New
Taramps TS 400x4 with Automatic High Level Input 400 watts RMS 4 Channels Full Range Car Audio Amplifier RCA Input Class
Delivers 4 x 100W RMS at 2 Ohms or 2 x 200W RMS bridged at 4 Ohms for flexible audio systems.

£55.99
New
Nobsound M5.1 HiFi 5.1 Channel Digital Amplifier with Bluetooth/USB/COAX/OPT/RCA
Made of aluminium alloy and in compact size, very suitable for those who want to build a mini HIFI 5.1 channel system.

£123.99
Best Value
Pyle

New
Bluetooth HD Home Audio Amplifier Receiver Stereo 300W Dual Channel Sound Audio System, MP3, USB, SD, AUX, RCA, MIC, Hea
300W POWER FOR IMMERSIVE SOUND – This multi-channel home audio amplifier delivers 300W of power for rich and immersive s

£92.06
New
Nobsound M5.1 HiFi 5.1 Channel Digital Amplifier with Bluetooth/USB/COAX/OPT/RCA
Transfer 2.0 channel input to 5.1 channel output: with built-in multi-channel signal process chip and circuit, which app

£149.99
Taramp's

New
Taramps TS 400x4 FULL RANGE 2 Ohms 4 Channels 400 Watts RMS Class D Car Audio Amplifier Multichannel LED Indicator CROSS
The Taramps TS line has Multichannel amplifiers, being Full Range amplifiers with 4 channels, and are also amplifiers wi

£55.99
Pyle

New
Pyle Wireless Bluetooth Stereo Amplifier, Multi Channel 200W Home Audio Receiver, Karaoke Machine with Microphone Input,
200 WATT MAX POWER OUTPUT: This wireless BT stereo amplifier is powerful with its 200 watt max at 4 Ohm max power. It al

£51.42
New
Mercedes C-Class W205 Audison Premium Sound Pack Upgrade DSP Amplifier + Fitting
Audison Forza AF C8.14 bit DSP amplifier.

£2,499.00
Taramp's

New
Taramp's DS 440x4 440 Watts RMS 4 Channels 2 Ohms Amplifier Multichannel Class D Full Range, Crossover High/Low Pass Bri
Compact size 440 watts 4 channels 2 ohms

£74.99
New
HELIX AMPLIFY 206 DSP HELIX compact 5/6-channel amplifier with 8ch DSP
At its heart is a 64-bit fixed-point audio DSP, flanked by high-quality AD/DA converters and the fast, stable ACO platfo

£499.99
Juice

New
Juice Car Audio JA1504 1500W 4 Channel Amplifier Car Amp- Car Amplifier 4 Channel
IMPROVED CIRCUIT DESIGN - To prevent circuit shutdown, Juice's new digital amplifier circuit, senses its internal temper

£79.99
Fosi Audio

New
Fosi Audio CA30 4 Channel Car Amplifier Mini Class D 200x4 Peak 400 Watts, Micro Compact Amp Mono Subwoofer, RCA/High Le
4-Channel Car Amplifier – Class D Compact Powerhouse This Class D 4-channel car audio amplifier features the Infineon IR

£139.99
New
Class AB 6 Way Car Power Amplifier Non-Destructive Installation DSP Car Audio Sp
A/B Class: Class AB amplifiers combine the characteristics of Class A and Class B amplifiers.

£62.99
Taramp's

New
Taramps DS 800x2 2 Channels 800 watts RMS 2 Ohms, FULL RANGE, Car Audio Amplifier Multichannel Class D, Crossover High/L
GREAT PERFORMANCE: Small yet powerful 2 channel amplifier is perfect for a basic upgrade in your vehicle's sound system;

£113.26
New
Class AB Car Audio Upgrade Power Amplifier 4 Channel 12V 8800W Power Stereo Ampl
Max power (2 ohms) 2200W 4 = 8800W.

£82.99
Juice

New
Juice Car Audio JA902 Car Amplifier 900W | 2-Channel Bridgeable Car Amp
Upgrade Your in Car Sound – The Juice JA902 2-channel car audio amplifiers are designed to power both speakers or a subw

£59.99
New
Musway M12 DSP 12ch amp with BMW RAM HK Harness for 2019+ Ram HK systems
Musway M12 DSP with RAM HK BMW Harness and app module.

£1,200.00
New
Nobsound M5.1 5.1 Channel Digital Power Amplifier Bluetooth Optical Coaxial Amp
U-disk input supports lossless formats such as WAV, APE, FLAC besides MP3, high-quality music can be reproduced and enjo

£126.95
New
BMW RAM HK Amplifier Upgrade 8ch + DSP fits Harmon Kardon BMW 19+
Each channel is bridgeable and generates a 2 ohms power of 75 Watts RMS, thus a total of 600 watts RMS.

£769.98
New
Hertz SPL Show SP 4.900 Multi Channel Amp Class D Car Stereo Amplifier 1000w RMS
This versatility is perfect to drive high power (4Ω) front speakers with a bridged (4Ω) subwoofer.

£499.99
New
MATCH UP 8DSP 8 Channel DSP Amplifier
Match UP 8DSP Amplifier.

£699.00
New
Car Power Amplifier 4*60W Way DSP Car Audio Speaker Amplifier Lossless Audio Pro
Rated power: 4 x 60W (RMS).

£36.99
New
Class AB 4 Channel Car DSP Amplifier RMS 4*60W Automotive Audio System Dedicated
Power amplifier type: AB class amplifier.

£43.99

23 Multichannel Amplifiers deals are available from: Amazon, eBay stores, starting from £36.99.
The biggest discount we found is 10%% on Bluetooth 5.0 Audio Power Amplifier, Donner Peak power 440 W Hi-Fi Wireless Power Amp 4 channel Desktop Amp with USB, SD,FM, 2 Mic IN Echo, RCA, LED, Speaker Selector for Studio, Home Speakers-MAMP5 at Amazon.
The lowest price we found is £36.99 while the highest is £2,499.00.
Prices for the best Multichannel Amplifiers deals average at £333.02.
Last updated on September 13, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Multichannel Amplifiers.