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best dealsdiscounts4 channel amplifiers for car audio
4 channel amplifiers for car audio Deals in the UK

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Deals are available from 2 stores and 0 brands. An additional discount is available for 15 items. Last updated on 24 September 2025.
4 Channel Digital Car Amplifier DC 12V High Power Car Audio Amplifier RMS 4*80W Audio Stereo Subwoofer Car Power Amplifier
52% Off
4 Channel Digital Car Amplifier DC 12V High Power Car Audio Amplifier RMS 4*80W Audio Stereo Subwoofer Car Power Amplifier
4 Channel Digital Car Amplifier DC 12V High Power Car Audio Amplifier RMS 4*80W Audio Stereo Subwoofer Car Power Amplifier
New
£121.65
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Car Audio Modified Four-channel 4-channel 12V Power Amplifier Car High-power Power Amplifier C-328 Power Amplifier 3800W
50% Off
Car Audio Modified Four-channel 4-channel 12V Power Amplifier Car High-power Power Amplifier C-328 Power Amplifier 3800W
Car Audio Modified Four-channel 4-channel 12V Power Amplifier Car High-power Power Amplifier C-328 Power Amplifier 3800W
New
£68.78
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Class AB Car Amplifier 4 Channel Audio Speaker Cars Audio Stereo Surround RMS 4*100W High Power Subwoofer Amplifier Audio Player
52% Off
Class AB Car Amplifier 4 Channel Audio Speaker Cars Audio Stereo Surround RMS 4*100W High Power Subwoofer Amplifier Audio Player
Class AB Car Amplifier 4 Channel Audio Speaker Cars Audio Stereo Surround RMS 4*100W High Power Subwoofer Amplifier Audio Player
New
£271.23
Free Shipping
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API Audio 3124V
API Audio 3124V
API Audio 3124V
New
Free Shipping
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Sirus I-Amp 4.500
Sirus I-Amp 4.500
Sirus I-Amp 4.500
New
Free Shipping
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Sirus I-Amp 4.500T
Sirus I-Amp 4.500T
Sirus I-Amp 4.500T
New
Free Shipping
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Car Audio Power Amplifier 4 Channel HiFi Stereo Audio Car Amplifier Adjustable Front and Rear Sound Field Super Bass Amplifier
53% Off
Car Audio Power Amplifier 4 Channel HiFi Stereo Audio Car Amplifier Adjustable Front and Rear Sound Field Super Bass Amplifier
Car Audio Power Amplifier 4 Channel HiFi Stereo Audio Car Amplifier Adjustable Front and Rear Sound Field Super Bass Amplifier
New
£98.91
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Factory Car Audio System Car Amplifier 12V 4 Channel Class AB Audio Car Amplifier
Factory Car Audio System Car Amplifier 12V 4 Channel Class AB Audio Car Amplifier
Factory Car Audio System Car Amplifier 12V 4 Channel Class AB Audio Car Amplifier
New
Free Shipping
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Car Amplifier 4 Channel Class D Digital Stereo Surround Subwoofer Audio Player 12V Car Power Amplifier Car Set Speaker Amplifier
55% Off
Car Amplifier 4 Channel Class D Digital Stereo Surround Subwoofer Audio Player 12V Car Power Amplifier Car Set Speaker Amplifier
Car Amplifier 4 Channel Class D Digital Stereo Surround Subwoofer Audio Player 12V Car Power Amplifier Car Set Speaker Amplifier
New
£172.42
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Amplifier for Car Audio High Power 4 Channel 12V Digital Stereo Surround Passive Subwoofer Car Audio Amplifier Max 7800W 
58% Off
Amplifier for Car Audio High Power 4 Channel 12V Digital Stereo Surround Passive Subwoofer Car Audio Amplifier Max 7800W 
Amplifier for Car Audio High Power 4 Channel 12V Digital Stereo Surround Passive Subwoofer Car Audio Amplifier Max 7800W 
New
£93.79
Free Shipping
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4 Channel Bridgeable Car Power Amplifier Class A/B Digital Stereo Universal Sound Car Amplifier HiFi Car Subwoofer Audio Player
50% Off
4 Channel Bridgeable Car Power Amplifier Class A/B Digital Stereo Universal Sound Car Amplifier HiFi Car Subwoofer Audio Player
4 Channel Bridgeable Car Power Amplifier Class A/B Digital Stereo Universal Sound Car Amplifier HiFi Car Subwoofer Audio Player
New
£91.53
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4 Channel Car Power Amplifier DC 12V High-Power 4x100W Bridgeable Class D Digital Stereo Amplifier Car Audio Modification
56% Off
4 Channel Car Power Amplifier DC 12V High-Power 4x100W Bridgeable Class D Digital Stereo Amplifier Car Audio Modification
4 Channel Car Power Amplifier DC 12V High-Power 4x100W Bridgeable Class D Digital Stereo Amplifier Car Audio Modification
New
£167.7
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4-Channel Car Amplifier (350Wx4) 1400W Max Power for Large Display Android Devices Audio Subwoofers and Speakers Car Stereo AMP
57% Off
4-Channel Car Amplifier (350Wx4) 1400W Max Power for Large Display Android Devices Audio Subwoofers and Speakers Car Stereo AMP
4-Channel Car Amplifier (350Wx4) 1400W Max Power for Large Display Android Devices Audio Subwoofers and Speakers Car Stereo AMP
New
£60.58
Free Shipping
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SK-790.4 Car Power Amplifier 4-Channel Class A/B Digital Stereo Surround Passive Subwoofer 12V Car Audio Player Max 7900W
SK-790.4 Car Power Amplifier 4-Channel Class A/B Digital Stereo Surround Passive Subwoofer 12V Car Audio Player Max 7900W
SK-790.4 Car Power Amplifier 4-Channel Class A/B Digital Stereo Surround Passive Subwoofer 12V Car Audio Player Max 7900W
New
Free Shipping
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Sennuopu DS-M8 Car Audio 4 Ch Power Amplifier 8 Channel Dsp Processor Bluetooth Amp Equalizer Amplificador Automotivio Sound
35% Off
Sennuopu DS-M8 Car Audio 4 Ch Power Amplifier 8 Channel Dsp Processor Bluetooth Amp Equalizer Amplificador Automotivio Sound
Sennuopu DS-M8 Car Audio 4 Ch Power Amplifier 8 Channel Dsp Processor Bluetooth Amp Equalizer Amplificador Automotivio Sound
New
£180.29
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