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400w amplifier

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400w amplifier for sale on largest auction and classifieds sites

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400w 12v channel stereo - 400w,

400w 12v channel stereo - 400w,

£13.81
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Skytec spl 400 watt power - watt,

Skytec spl 400 watt power - watt,

£89.99
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Indie bassrider 400 bass - indie,

Indie bassrider 400 bass - indie,

£99.50
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Bluetooth hifi sunbuck - 5.0,

Bluetooth hifi sunbuck - 5.0,

£47.88
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Stereo audio amplifier - fi,

Stereo audio amplifier - fi,

£14.99
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1600w digital power - 1600w, amplifier

1600w digital power - 1600w, amplifier

£16.89
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400w bluetooth hifi power - hifi,

400w bluetooth hifi power - hifi,

£16.90
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Bluetooth audio power - bluetooth,

Bluetooth audio power - bluetooth,

£29.99
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Bluetooth hifi sunbuck - bluetooth,

Bluetooth hifi sunbuck - bluetooth,

£47.88
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Channel digital amplifier - 4,

Channel digital amplifier - 4,

£16.89
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400w hifi digital - 400w, power

400w hifi digital - 400w, power

£10.89
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800w 12v powerful stereo - 12v,

800w 12v powerful stereo - 12v,

£20.99
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Extron xpa 4002 channel - extron,

Extron xpa 4002 channel - extron,

£145.00
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Fenton av440 karaoke amplifier - av440,

Fenton av440 karaoke amplifier - av440,

£67.99
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Porsche bose amplifier - porsche,

Porsche bose amplifier - porsche,

£170.00
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Amplifier hifi bluetooth dab - hifi, dab+

Amplifier hifi bluetooth dab - hifi, dab+

£142.49
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Rockford fosgate car channel - rockford, 4-channel

Rockford fosgate car channel - rockford, 4-channel

£89.10
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Sunbuck 2000w stereo hifi - 2000w,

Sunbuck 2000w stereo hifi - 2000w,

£47.88
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400w hifi digital power - hifi,

400w hifi digital power - hifi,

£12.89
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400w 12v channel - 12v, powerful

400w 12v channel - 12v, powerful

£12.83
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380 bluetooth 5 - , stereo

380 bluetooth 5 - , stereo

£22.53
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Img stage line - sta-150, pro

Img stage line - sta-150, pro

£59.99
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800w bluetooth stereo - 800w,

800w bluetooth stereo - 800w,

£16.89
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Vibe powerbox 400 - vibe, 400.1m

Vibe powerbox 400 - vibe, 400.1m

£89.00
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400w 12v channel stereo - 400w, 2.0

400w 12v channel stereo - 400w, 2.0

£14.51
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400w bluetooth hifi - bluetooth,

400w bluetooth hifi - bluetooth,

£16.90
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400w 12v channel powerful - 2,

400w 12v channel powerful - 2,

£12.87
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400w channel powerful - 2.0,

400w channel powerful - 2.0,

£13.67
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Fenton av440 hifi - fenton,

Fenton av440 hifi - fenton,

£62.99
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Amplifier - (400w, channels)

Amplifier - (400w, channels)

£84.95
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Skytronic 103 311 hifi - skytronic, power

Skytronic 103 311 hifi - skytronic, power

£84.99
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Skytec spl 400 watt - skytec,

Skytec spl 400 watt - skytec,

£89.99
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400w power digital - digital, amplifier

400w power digital - digital, amplifier

£10.89
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400w 12v hifi bluetooth - 400w,

400w 12v hifi bluetooth - 400w,

£16.90
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400w 12v channel powerful - 12v, 2

400w 12v channel powerful - 12v, 2

£14.39
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800w 12v bluetooth hifi - 800w,

800w 12v bluetooth hifi - 800w,

£15.89
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Mini bluetooth digital - mini, 5.0

Mini bluetooth digital - mini, 5.0

£16.90
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Portable 400w channel - 400w, 2

Portable 400w channel - 400w, 2

£15.04
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Skytronic 103 311 hifi power - hifi,

Skytronic 103 311 hifi power - hifi,

£84.99
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Vonyx vxa 800 power - vxa-800,

Vonyx vxa 800 power - vxa-800,

£199.99
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Vibe powerbox 400 800w max - vibe,

Vibe powerbox 400 800w max - vibe,

£65.70
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12v hifi bluetooth digital - bluetooth,

12v hifi bluetooth digital - bluetooth,

£16.95
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Taramps bass 400 400w rms - taramps,

Taramps bass 400 400w rms - taramps,

£74.99
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Skytronic 400w hifi power - skytronic,

Skytronic 400w hifi power - skytronic,

£55.99
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Vibe audio powerbox - vibe,

Vibe audio powerbox - vibe,

£94.95
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Mini fipower amp 12v - mini, 220v

Mini fipower amp 12v - mini, 220v

£16.15
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Skytec spl 400w power - skytec,

Skytec spl 400w power - skytec,

£89.99
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Bluetooth 0ch 400w - 2.0ch,

Bluetooth 0ch 400w - 2.0ch,

£23.99
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Future projections

Future projections

£80.00
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400w bluetooth hifi power - 400w,

400w bluetooth hifi power - 400w,

£16.92
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1600w digital power amplifier - 1600w,

1600w digital power amplifier - 1600w,

£16.89
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400w 12v channel - 12v, powerful

400w 12v channel - 12v, powerful

£12.69
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12v 1600w bluetooth - 1600w, hifi

12v 1600w bluetooth - 1600w, hifi

£16.89
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170 dc12v hifi bass - hifi,

170 dc12v hifi bass - hifi,

£13.67
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Bluetooth hifi power amplifier - bluetooth,

Bluetooth hifi power amplifier - bluetooth,

£16.90
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400w 1channel powerful - 400w,

400w 1channel powerful - 400w,

£21.65
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400w power digital - 400w,

400w power digital - 400w,

£10.90
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Jenson 400w xa4100 car - jenson,

Jenson 400w xa4100 car - jenson,

£52.70
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800w digital power - digital,

800w digital power - digital,

£15.89
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Vibe audio powerbox - audio,

Vibe audio powerbox - audio,

£82.99
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400w power digital - 400w,

400w power digital - 400w,

£10.89
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Jenson 400w xa4100 car - jenson,

Jenson 400w xa4100 car - jenson,

£47.50
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400w hifi btl audio - audio, digital

400w hifi btl audio - audio, digital

£41.26
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Channel power amplifier - 4,

Channel power amplifier - 4,

£16.89
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170 dc12v hifi - ak-170, bass

170 dc12v hifi - ak-170, bass

£13.60
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400w bluetooth hifi power - 400w,

400w bluetooth hifi power - 400w,

£16.89
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12v car home - 12v, audio

12v car home - 12v, audio

£22.79
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Romicta stereo audio hifi - romicta,

Romicta stereo audio hifi - romicta,

£50.22
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400w 12v hifi - hifi, bluetooth

400w 12v hifi - hifi, bluetooth

£16.89
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400w 12v channel stereo - 12v,

400w 12v channel stereo - 12v,

£14.39
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Mini bluetooth digital - bluetooth, power

Mini bluetooth digital - bluetooth, power

£16.89
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Audio rd400 4 channel - audio,

Audio rd400 4 channel - audio,

£309.00
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Ak380 digital power - ak380,

Ak380 digital power - ak380,

£16.39
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400w 12v hifi bluetooth - hifi,

400w 12v hifi bluetooth - hifi,

£16.89
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Bluetooth hifi sunbuck - hifi,

Bluetooth hifi sunbuck - hifi,

£47.88
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400w bluetooth hifi power - hifi,

400w bluetooth hifi power - hifi,

£15.99
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Ak370 12v 400w mini - 400w,

Ak370 12v 400w mini - 400w,

£24.68
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Njd ma800 mk2 power - 2u,

Njd ma800 mk2 power - 2u,

£79.99
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Black channel powerful - black,

Black channel powerful - black,

£14.39
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Channel power amplifier - 4,

Channel power amplifier - 4,

£16.90
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Omnitronic 400 ch power - omnitronic, 2

Omnitronic 400 ch power - omnitronic, 2

£50.00
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400w 12v hifi - 12v,

400w 12v hifi - 12v,

£16.90
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Audio amplifier channel - amplifier, 4-channel

Audio amplifier channel - amplifier, 4-channel

£16.89
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800w 12v bluetooth stereo - 800w,

800w 12v bluetooth stereo - 800w,

£16.89
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400w bluetooth hifi - 400w, power

400w bluetooth hifi - 400w, power

£16.92
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40w 12v hifi digital - 12v,

40w 12v hifi digital - 12v,

£10.90
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400w ak170 channel - 400w, 2

400w ak170 channel - 400w, 2

£14.39
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Vibe powerbox 400 800w max - 400.1,

Vibe powerbox 400 800w max - 400.1,

£89.90
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Skytec spl400 400w power - spl400, pa

Skytec spl400 400w power - spl400, pa

£89.99
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800w bluetooth amplifier - bluetooth,

800w bluetooth amplifier - bluetooth,

£53.11
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998 power digital amplifier - digital,

998 power digital amplifier - digital,

£15.90
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400w stereo power amplifier - power,

400w stereo power amplifier - power,

£42.30
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Channel power amplifier - 4,

Channel power amplifier - 4,

£16.90
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400w 12v channel powerful - channel,

400w 12v channel powerful - channel,

£13.96
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Esx fourv3 24v 4ch class - 24v,

Esx fourv3 24v 4ch class - 24v,

£234.99
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Skytronic 400w hifi - 400w,

Skytronic 400w hifi - 400w,

£91.99
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📊96 listings · from £10.89 · avg £46.44
⚠️ These listings were last updated more than 22 days ago. Search for fresh listings

Browse 96 400w amplifier listings currently in our index. Prices range from £10.89 to £309, with an average of £46.44. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about 400w amplifier →

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Everything you need to know about 400w amplifier

Whether you are looking for a brand-new or second-hand 400w amplifier, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £10.89, while premium listings can reach £309 — giving you a wide budget spread to work with. The average price of £46.44 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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