As one of the well-known a series 1u power amplifier manufacturers and suppliers in China, it is waiting for you to buy our low price a series 1u power amplifier and check the quotation with our factory.Application:Conference Room speaker etc;   It adopts latest design plan of class D amplifier circuit so that the distortion is low and the efficiency is high. With switching power which make its efficiency higher. Standard rack mount design in 1U and it's light. With temperature-controlled fan. Complete protection for short, over-heat, overload, etc Light in weight,compact Size. MODELA300A400A600A800Stereo power 8Ω300W×2400W×2600W×2800W×2Stereo power 4Ω500W×2600W×21000W×21200×2Bridge power 8Ω800W1000W1300W1600wFrequency response(@1W)20Hz-20kHz ±0.5dBTHD(rated output power)≤0.05%≤0.05%≤0.05%≤0.05%Damping factor (1kHz 8Ω)﹥300﹥300﹥300﹥300S/N ratio (A weighted)﹥96dB﹥96dB﹥96dB﹥96dBInput sensitivity0.775V0.775V0.775V0.775VInput impedance20KΩ(balance)/10KΩ(unbalance)ProtectionLimit/thermal/DC/short circuitVoltageAC220V/50HzDimension ((W×D×H)mm483×350×445mm [1U]Weight7kg