Carpower hpb-604 4-channel car amplifier, 700w

HiFi Car Amplifier, 400WRMS 4-Channel Amplifier, ideal for pairing with a stereo mid-high range system with subwoofer, as well as for powering rear or front speakers Adjustable low- and high-pass filters for each pair...HiFi Car Amplifier, 400WRMS 4-Channel Amplifier , ideal for pairing with a stereo mid-high system with a subwoofer, as well as for powering rear or front speakers Adjustable low- and high-pass filters for each pair of channels Switchable 2-, 3- or 4-channel mode Bass boost for each pair of channels Additional mono line outputs (x2 ), High power input via the FGA-22 or FGA-22HQ transformer (Equipment.) Rated RMS RMS RMS. 20kΩFrequency response20-20,000HzCrossover frequency40-300Hz, 6dB/oct. (low pass) 40-500Hz, 6dB/oct. (high pass)S/N Ratio > 93dBATHD< 0.2%Power supply10-16V&dircurrent;/50AAlternative supply voltage12V&dircurrent;Power supply (alternative)50Aallow. ambient temperature0-40 °CDimensions252 x 62 x 400mmWidth252mmHeight62mmDepth400mmWeight3.195kgConnectorsscrew terminals (speakers) 1 x RCA L/R (line in) 1 x RCA L/R (line out)