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Kicker cxa400 400w - kicker,
£199.95
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Fenton av440 karaoke amplifier - av440,
£67.99
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Skytec spl400 400w - skytec,
£89.99
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Skytronic 400w hifi power - skytronic,
£87.95
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Kicker pxa400 400w - kicker, 4
£539.95
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Kicker kxma400 400w - 400w, 2
£419.95
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400w 12v channel - 400w,
£13.81
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Phoenix gold sx400 car - gold,
£63.09
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400w 12v hifi bluetooth - hifi,
£22.99
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400w amplifier pcb - amplifier,
£17.22
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Vibe powerbox 400 amp - powerbox,
£89.00
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170 12v hifi bass - 12v,
£10.80
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Hypex ucd400hg hxr - hypex,
£363.70
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Porsche bose amplifier - porsche,
£170.00
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Vonyx vxa 800 power - vonyx,
£199.99
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Skytec spl 400w - spl, power
£89.99
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Skytec spl400 400w - 400w, stereo
£79.99
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Pioneer dx104 400w 4 - pioneer,
£139.98
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400w 12v channel - 400w,
£11.45
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400w channel powerful - 2.0,
£13.56
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170 12v hifi - 2, bass
£13.67
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Bluetooth hifi sunbuck - 5.0,
£47.88
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Koac 400w amp - koac, 2
£21.50
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170 12v hifi bass - hifi,
£13.67
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Kicker 46cxa400 amp - kicker, 1
£199.95
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Vibe powerbox400 400 - vibe, powerbox400.1m-v7
£64.99
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Jbl gto 2000 400w - gto, channel
£119.99
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400w 12v channel powerful - 400w,
£12.87
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Esx sxe100 channel - sxe100.4,
£129.99
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Esx hxe100 channel - hxe100.4, 4-channel
£109.99
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Skytec spl 400 watt power - spl,
£89.99
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High efficiency 400w rms - high-efficiency,
£120.90
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Alpine mrp m450 - alpine, mrp-m450
£83.90
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Romicta stereo audio hifi - romicta,
£50.22
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Inter 6220 amplifier and - inter, ca-6220
£109.95
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Dc12v hifi bass - dc12v,
£14.39
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400w 12v hifi bluetooth - hifi,
£22.99
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Hertz dp4 400 - , 400w
£208.70
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Esx fourv3 24v 4ch - esx, q-fourv3
£234.99
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Vonyx vxa 800 power - pa,
£199.99
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Phoenix gold 502i compact - gold,
£69.34
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Carlsbro powerline 400 - powerline,
£109.99
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Ford pioneer compact - compact, 4
£184.99
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Pioneer d1004 400w 4 - pioneer,
£94.30
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Pioneer dx104 4 - -, channel
£144.99
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Vibe powerbox400 class d - class,
£81.99
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Vibe 800 watt micro - vibe, amp
£89.99
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Portable 400w channel - portable,
£15.04
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Bluetooth hifi sunbuck - 5.0,
£47.99
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12v hifi power amplifier - hifi,
£10.99
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400w hifi digital power - hifi,
£10.99
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400w power digital amplifier - 400w,
£10.99
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170 dc12v hifi bass power - ak-170,
£14.39
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800w 12v bluetooth stereo - 800w,
£22.99
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Vibe powerbox 400 - powerbox, max
£83.00
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400w bluetooth hifi - bluetooth, power
£22.99
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Fbt 800 channel - ax, power
£229.00
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Bluetooth amplifier 380 - bluetooth, ak-380
£39.46
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170 12v hifi - ak-170, power
£13.24
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Cloud vtx 4400 4x400w - 4400,
£746.20
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400w bluetooth hifi power - bluetooth,
£22.99
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400w 12v channel - channel, powerful
£12.83
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New bluetooth digital - bluetooth,
£22.99
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Audio amplifier channel - amplifier, 4-channel
£20.99
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Mtx thunder801d 400w mono - mtx,
£83.90
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Skytronic 103 311 hifi - 103.311,
£87.95
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Kicker car audio - audio, subwoofer
£189.95
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Ak170 mini digital - ak170, amplifier
£11.90
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Audio rd400 4 channel - 4,
£309.00
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New power amplifier - new,
£22.33
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Channel digital amplifier - 4,
£20.99
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Qsc spa4 100 four - four-channel, 400w
£208.69
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400w channel car audio - car,
£16.31
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Bluetooth hifi power amplifier - bluetooth,
£22.99
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Channel power amplifier - 4,
£20.99
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100w 200w 400w 500w - 200w,
£28.31
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400w 12v channel powerful - 2,
£12.69
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Renault pioneer compact - renault,
£174.99
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Toyota corolla rav4 - rav4, 4
£184.99
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800w 12v powerful stereo audio - 800w,
£25.99
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400w hifi btl audio digital - hifi,
£41.26
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Monacor img stage line - img,
£79.99
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Power dynamics pv240bt - power,
£89.99
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Bluetooth hifi power - bluetooth,
£22.99
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Bluetooth amplifier 380 - bluetooth, ak-380
£40.49
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Audio rd400 full - audio, rd400/4
£309.00
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Citronic qp1600 quad power - qp1600,
£388.29
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Fenton 150bt channel home - fenton, av-150bt
£87.99
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Kenwood car amp - amp, amplifer
£119.00
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1600w digital power amplifier - digital,
£20.99
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Channel power amplifier - power,
£20.99
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Mini bluetooth digital - mini,
£22.99
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Sunbuck 2000w stereo hifi - sunbuck,
£47.88
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400w 12v channel ak 170 - 12v, ak-170
£13.67
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Stetsom ir400 iron line - iron,
£90.38
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Kicker cx400 400w - cx400.1,
£199.95
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Looking for more 400w amplifier?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 400w amplifier listings currently in our index. Prices range from £10.8 to £746.2, with an average of £101.07. 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 →
Try this: quad 33 | peavey cs | vox night train | quad 44 | 600 watt amplifier | drum amplifier | keyboard amplifier | 500 watt amplifier | evh 5150 | peavey 5150
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 £10.8, while premium listings can reach £746.2 — giving you a wide budget spread to work with. The average price of £101.07 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.