we have developed a new series of continental-styled car amplifier in 2006, including 1-channel amp(US-168P), 2-channel amp(US-268P), 4-channel amp(US-468P), 6-channel amp(US-668P). US-668P: Parameters. 6-channel Power Amplifier Operating Voltage: DC 14.4V RMS Power at 4 ohms:70w*6ch T.H.D.:<=0.02% RMS Power at 2 ohms:88w*6ch T.H.D.:<=0.05% Maxpower at 4 ohms: 280w*4ch Bridged RMS Power at 4 ohms: 260w*1ch T.H.D.:<=0.2% HP frequency: 50Hz--5KHz LP frequency: 35Hz--260Hz Input Level: 200mv-4.5v S/N Ratio: >=95db Measurement: 410*239*61mm If you are interested in them, pls feel free to contact panyali at hotmail or unicarsaudio at yahoo. thanks in advance. best regards, penny.