Seems decent, and not cheap, some of their stuff is pricey, opinions? http://www.ebay.co.uk/itm/NEW-AUNA-AB650-4800W-CAR-AUDIO-5-3-2-CHANNEL-AMPLIFIER-FREE-P-P-SPECIAL-OFFER-/270834138892?pt=UK_In_Car_Technology&hash=item3f0ef8ff0c#ht_4860wt_1154 I'd be bridging channels one and two for my 15...