Kenwood eXcelon KAC X20 - amplifier Specs: Amplifier, DC power input, Speakers output, Remote Bass control, Audio line-in, Audio line-out, 120 Watt - 4 Ohm - THD 0.05 % - 12V DC - 2 channel(s), 160 Watt - 2 Ohm - THD 0.5 % - 12V DC - 2 channel(s), 320 Watt - 4 Ohm - THD 0.5 % - 12V DC - 1 channel(s), 180 Watt - 4 Ohm - THD 0.05 % - 14.4V DC - 2 channel(s), 260 Watt - 2 Ohm - THD 0.5 % - 14.4V DC - 2 channel(s), 520 Watt - 4 Ohm - THD 0.5 % - 14.4V DC - 1 channel(s), 1000 Watt