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400w 12v channel stereo - channel,
£13.81
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400w channel powerful - 2.0,
£13.56
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170 12v hifi bass - ak-170,
£13.67
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Kicker 46cxa400 amp 1 - kicker,
£199.95
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400w channel powerful - 400w, 2.0
£13.67
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Pioneer dx104 4 - pioneer,
£144.99
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170 12v hifi bass - ak-170, 2
£13.67
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400w 12v channel - 12v, powerful
£11.50
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Dc12v hifi bass power - bass,
£14.39
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400w 12v channel powerful - 400w, 2
£11.45
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400w 12v channel powerful - 12v, 2
£12.69
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Pioneer dx104 4 channel - 4,
£149.99
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400w 12v channel powerful - 12v,
£12.83
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170 12v hifi bass - ak-170, power
£14.39
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400w 12v channel ak 170 - 12v, 2.0
£13.67
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170 dc12v hifi - ch, bass
£14.53
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400w bluetooth hifi power - bluetooth,
£16.99
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400w 12v channel powerful - 2,
£14.39
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Faulty vibe audio powerbox - vibe,
£36.44
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400w 12v channel - 2, powerful
£12.87
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Dc12v hifi bass - hifi, power
£14.10
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400w 12v channel powerful - 12v, 2
£14.10
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Audio rd400 full range - jl,
£309.00
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Vibe audio powerbox - vibe, amp
£94.95
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Pioneer dx104 400 - pioneer, 4
£149.95
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Vibe 800 watt micro bass - watt,
£89.99
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400w channel powerful - 400w,
£13.67
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Audio amp 400w - amp, car
£77.99
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170 12v hifi - 12v, bass
£14.24
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Taramps 3000 ohm 3k - hd,
£184.84
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170 dc12v hifi - dc12v,
£14.39
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170 12v hifi bass - 12v, 2
£14.39
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Spx audio car amplifier - spx,
£52.65
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400w 12v hifi bluetooth - 400w,
£16.99
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400w 12v channel ak - 400w, ak-170
£14.10
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Kenwood kac m1814 channel - kac-m1814, 4
£149.00
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400w channel powerful - 400w, 2.0
£14.53
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400w hifi digital power - 400w,
£12.89
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170 12v hifi bass - ak-170, ch
£13.96
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Dc12v hifi bass power - ch,
£14.39
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Taramps 3000 1ohms 3k - hd,
£181.16
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Taramps 3000 2ohms 3k - ,
£180.71
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170 12v hifi - hifi, bass
£13.37
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170 12v hifi bass - 2, ch
£13.96
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Vibe powerbox400 800 - vibe,
£88.95
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400w 12v hifi - 400w, bluetooth
£16.99
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Vibe powerbox400 class - vibe,
£89.00
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400w power digital amplifier - power,
£9.99
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Taramps 400x4 amplifier - taramps,
£75.12
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Edge edb1000 mono - edge, edb1000.1d-e4
£144.99
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170 dc12v hifi bass - ak-170,
£14.27
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170 dc12v hifi bass - dc12v,
£13.26
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400w 12v hifi bluetooth - 12v,
£16.99
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800w 12v powerful stereo audio - 800w,
£25.99
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12v hifi power amplifier - 12v,
£9.99
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Yanka soda 08asw - h, inch
£69.99
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400w 12v hifi bluetooth - 12v,
£16.99
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170 dc12v hifi bass power - ak-170,
£13.24
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170 12v hifi - hifi, bass
£13.24
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Dc12v hifi bass - dc12v, ch
£14.39
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400w power digital - 400w,
£9.99
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170 dc12v hifi bass - ak-170, 2
£13.38
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170 12v hifi bass - ak-170,
£13.52
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170 dc12v hifi - dc12v,
£13.51
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400w 12v channel ak 170 - 2.0,
£16.75
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Taramps 3000 1ohms - 3000,
£180.71
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170 12v hifi bass - 12v, power
£13.67
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Pioneer dx104 4 channel - gm-dx104,
£159.99
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170 12v hifi - 12v, bass
£14.10
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Pioneer dx104 4 channel - gm-dx104,
£169.99
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Stereo audio amplifier - hi,
£14.99
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Dc12v hifi bass power - ch,
£13.81
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Audio jd400 4 - jd400/4,
£279.00
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Portable 400w channel - portable, 2
£15.04
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170 12v hifi bass power - 12v,
£13.49
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170 dc12v hifi bass - ak-170,
£13.96
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Taramps 400x4 amplifier 2 - ts,
£70.62
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400w power digital amplifier - 400w,
£12.85
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Morel mps 400 amp - 4, channel
£449.00
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Channel power amplifier - channel,
£13.99
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12v hifi bluetooth power - 12v,
£24.68
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Spla400 400w channel - channel, mosfet
£42.25
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Vibe audio car powerbox - vibe,
£94.98
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Kenwood kac m1814 channel - 4,
£149.00
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Phoenix gold z1502i amp - z1502i, 2
£129.99
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Dc12v hifi bass power - hifi,
£17.99
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500w hifi bluetooth digital - 500w,
£29.99
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Rockford fosgate car amp - rockford,
£149.99
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12v car home - mini, stereo
£22.79
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40w hifi digital - 40w,
£9.99
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800w 2ch bluetooth stereo - 2ch,
£16.99
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Phoenix gold z1502i z - gold,
£99.95
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170 dc12v hifi bass power - bass,
£14.39
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40w 12v hifi - 12v, power
£9.99
Buy It Now
170 dc12v hifi bass - ak-170, ch
£17.09
Buy It Now
170 dc12v hifi - ak-170, power
£17.09
Buy It Now
Looking for more 400w car amp?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 400w car amp listings currently in our index. Prices range from £9.99 to £449, with an average of £56.27. 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 car amp →
Try this: bass head | cyrus 2 amplifier | laney amplifier | leak amplifiers | quad 405 power amplifier | mutant amp | orange tiny terror | pioneer gm | roksan caspian | roland micro cube
Whether you are looking for a brand-new or second-hand 400w car amp, 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 £9.99, while premium listings can reach £449 — giving you a wide budget spread to work with. The average price of £56.27 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.