Condition
Purchase
Sort by
Time
Various
Bluetooth hifi sunbuck - 5.0,
£35.99 · Buy It Now
» View details on eBay #sponsoredSkytronic 103 311 - hifi, power
£85.00 · Buy It Now
» View details on eBay #sponsoredBluetooth hifi sunbuck - 5.0,
£35.99 · Buy It Now
» View details on eBay #sponsoredFenton av440 karaoke amplifier - fenton,
£67.99 · Buy It Now
» View details on eBay #sponsored400w 12v channel - 400w,
£14.51 · Buy It Now
» View details on eBay #sponsored400w 12v channel stereo - 400w, 2.0
£13.81 · Buy It Now
» View details on eBay #sponsored400w 12v hifi - 400w, bluetooth
£16.90 · Buy It Now
» View details on eBay #sponsoredBluetooth hifi sunbuck - hifi,
£35.99 · Buy It Now
» View details on eBay #sponsoredSpl 400 400w 200w 4ohm - 2,
£21.50 · Buy It Now
» View details on eBay #sponsoredVibe audio powerbox micro - audio,
£68.99 · Buy It Now
» View details on eBay #sponsored400w hifi digital - 400w,
£10.89 · Buy It Now
» View details on eBay #sponsored400w power digital amplifier - 400w,
£10.89 · Buy It Now
» View details on eBay #sponsored400w 12v channel powerful - 400w,
£12.87 · Buy It Now
» View details on eBay #sponsoredSkytec spl 400 - watt, power
£89.99 · Buy It Now
» View details on eBay #sponsoredFenton av440 hifi amplifier - av440,
£62.99 · Buy It Now
» View details on eBay #sponsoredPorsche bose amplifier - porsche,
£170.00 · Buy It Now
» View details on eBay #sponsored800w bluetooth stereo - 800w,
£16.89 · Buy It Now
» View details on eBay #sponsored400w channel powerful - 400w,
£13.56 · Buy It Now
» View details on eBay #sponsoredMini fipower amplifier 12v - hi-fipower,
£12.89 · Buy It Now
» View details on eBay #sponsoredTaramps bass 400 400w - rms, 2
£74.99 · Buy It Now
» View details on eBay #sponsored400w hifi digital - 400w, power
£12.89 · Buy It Now
» View details on eBay #sponsored12v hifi bluetooth - bluetooth, digital
£16.95 · Buy It Now
» View details on eBay #sponsored12v 400w mini stereo - 400w,
£16.21 · Buy It Now
» View details on eBay #sponsored800w 12v bluetooth hifi power - 800w,
£15.89 · Buy It Now
» View details on eBay #sponsored400w bluetooth hifi - bluetooth,
£16.89 · Buy It Now
» View details on eBay #sponsoredPortable 400w channel - portable,
£14.32 · Buy It Now
» View details on eBay #sponsored400w 12v channel powerful - channel,
£14.39 · Buy It Now
» View details on eBay #sponsoredSunbuck 2000w stereo hifi - 2000w,
£35.99 · Buy It Now
» View details on eBay #sponsoredA2218206089 mercedes 2007 - a2218206089,
£481.18 · Buy It Now
» View details on eBay #sponsoredVibe powerbox 400 amp - powerbox,
£68.30 · Buy It Now
» View details on eBay #sponsoredIndie bassrider 400 - bassrider, bass
£99.50 · Buy It Now
» View details on eBay #sponsoredSkytronic 103 311 - skytronic, 103.311
£84.99 · Buy It Now
» View details on eBay #sponsoredAk380 digital power amplifier - ak380,
£16.39 · Buy It Now
» View details on eBay #sponsoredSkytronic 400w hifi power - skytronic,
£55.99 · Buy It Now
» View details on eBay #sponsoredBluetooth hifi power amplifier - bluetooth,
£16.90 · Buy It Now
» View details on eBay #sponsored800w digital power amplifier - digital,
£15.89 · Buy It Now
» View details on eBay #sponsoredVibe powerbox 400 - vibe, 400.1m
£89.00 · Buy It Now
» View details on eBay #sponsored400w bluetooth hifi - bluetooth,
£16.92 · Buy It Now
» View details on eBay #sponsored400w 12v channel stereo - 12v,
£12.95 · Buy It Now
» View details on eBay #sponsoredEsx sxe100 channel class - sxe100.4,
£129.99 · Buy It Now
» View details on eBay #sponsoredAk370 12v 400w mini - ak370, bluetooth
£24.68 · Buy It Now
» View details on eBay #sponsoredBluetooth 0ch 400w fi - bluetooth,
£23.99 · Buy It Now
» View details on eBay #sponsoredFuture projections
£80.00 · Buy It Now
» View details on eBay #sponsoredAudiocontrol lc2i channel - 2,
£109.99 · Buy It Now
» View details on eBay #sponsored400w bluetooth hifi - bluetooth,
£15.99 · Buy It Now
» View details on eBay #sponsoredMini amplifier bluetooth - mini,
£14.89 · Buy It Now
» View details on eBay #sponsored800w 12v powerful - powerful, stereo
£12.99 · Buy It Now
» View details on eBay #sponsored400w bluetooth hifi power - bluetooth,
£16.90 · Buy It Now
» View details on eBay #sponsoredMini bluetooth digital - bluetooth,
£15.89 · Buy It Now
» View details on eBay #sponsored800w 12v bluetooth - 800w, stereo
£16.89 · Buy It Now
» View details on eBay #sponsored400w 12v channel stereo - 400w,
£14.39 · Buy It Now
» View details on eBay #sponsored170 12v hifi - ak-170, ch
£14.39 · Buy It Now
» View details on eBay #sponsored400w high power home - 400w,
£12.83 · Buy It Now
» View details on eBay #sponsoredAudio amplifier stage epx - w,
£99.95 · Buy It Now
» View details on eBay #sponsored400w channel powerful - 2.0,
£13.67 · Buy It Now
» View details on eBay #sponsored400w bluetooth stereo - 400w,
£16.89 · Buy It Now
» View details on eBay #sponsoredNew power amplifier - power, 12v
£22.33 · Buy It Now
» View details on eBay #sponsoredBlack channel powerful - 2,
£14.39 · Buy It Now
» View details on eBay #sponsoredAudiophonics class d mono - audiophonics,
£400.00 · Buy It Now
» View details on eBay #sponsoredNjd ma800 mk2 power - mk2, 2u
£79.99 · Buy It Now
» View details on eBay #sponsored400w power digital - power, amplifier
£10.90 · Buy It Now
» View details on eBay #sponsoredJenson 400w xa4100 car - 400w,
£52.70 · Buy It Now
» View details on eBay #sponsored400w 12v channel powerful - 400w,
£12.83 · Buy It Now
» View details on eBay #sponsoredSkytec spl400 400w power - 400w,
£64.00 · Buy It Now
» View details on eBay #sponsored400w 12v hifi bluetooth - 400w,
£16.89 · Buy It Now
» View details on eBay #sponsored170 dc12v hifi - hifi, power
£13.60 · Buy It Now
» View details on eBay #sponsored400w channel car - 2.1,
£16.36 · Buy It Now
» View details on eBay #sponsored400w channel powerful - 2.0,
£14.39 · Buy It Now
» View details on eBay #sponsored400w bluetooth hifi power - hifi,
£16.92 · Buy It Now
» View details on eBay #sponsoredMini fipower amp 12v - 12v, &
£21.50 · Buy It Now
» View details on eBay #sponsoredDesktop compact bluetooth - desktop,
£16.89 · Buy It Now
» View details on eBay #sponsoredJbl gto2000 channel - gto2000, 2/1-channel
£52.68 · Buy It Now
» View details on eBay #sponsoredVibe audio powerbox micro - micro, mono
£64.99 · Buy It Now
» View details on eBay #sponsoredFbt 800 channel - fbt,
£229.00 · Buy It Now
» View details on eBay #sponsoredBluetooth mini digital - bluetooth, 5.0
£15.89 · Buy It Now
» View details on eBay #sponsored40w power digital - digital,
£10.89 · Buy It Now
» View details on eBay #sponsoredStereo audio amplifier - stereo,
£14.99 · Buy It Now
» View details on eBay #sponsored400w 1channel powerful - 2.1channel,
£21.65 · Buy It Now
» View details on eBay #sponsoredRotel stereo power - rb-06,
£229.99 · Buy It Now
» View details on eBay #sponsored400w channel powerful - 2.0,
£14.53 · Buy It Now
» View details on eBay #sponsored400w power digital amplifier - 400w,
£10.89 · Buy It Now
» View details on eBay #sponsoredBluetooth amplifier 380 - amplifier,, ak-380
£47.79 · Buy It Now
» View details on eBay #sponsored400w ak170 channel mini - 400w,
£14.39 · Buy It Now
» View details on eBay #sponsoredMini bluetooth digital - 5.0,
£16.89 · Buy It Now
» View details on eBay #sponsoredMini bluetooth digital - bluetooth,
£16.89 · Buy It Now
» View details on eBay #sponsored2000w peak hifi - peak, power
£35.99 · Buy It Now
» View details on eBay #sponsoredMini 838 power amplifier - mini, st-838
£22.33 · Buy It Now
» View details on eBay #sponsoredMini bluetooth digital - mini, 5.0
£16.99 · Buy It Now
» View details on eBay #sponsored400w 12v hifi bluetooth - hifi,
£16.89 · Buy It Now
» View details on eBay #sponsoredCompact bluetooth stereo - compact,
£16.90 · Buy It Now
» View details on eBay #sponsored400w bluetooth hifi power - bluetooth,
£16.89 · Buy It Now
» View details on eBay #sponsored800w bluetooth amplifier - 800w, 2
£53.11 · Buy It Now
» View details on eBay #sponsoredMini bluetooth digital - mini, 5.0
£16.90 · Buy It Now
» View details on eBay #sponsoredBluetooth mini hifi - bluetooth,
£24.68 · Buy It Now
» View details on eBay #sponsoredEsx fourv3 24v - q-fourv3,
£234.99 · Buy It Now
» View details on eBay #sponsoredFenton av380bt karaoke set - fenton,
£42.30 · Buy It Now
» View details on eBay #sponsoredLooking 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 £10.89 to £481.18, with an average of £48.35. 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: audi side skirts | 6v horn | defender ecu | ford galaxy ecu | karting overalls | screen spoiler | audi r8 spider | ford galaxy 2 0 tdci | p900 | grill cloth
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 £481.18 — giving you a wide budget spread to work with. The average price of £48.35 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.