Operating Voltage:9 – 16 Test Voltage:14.4 Output Channel(s):4 Continuous Wattage @4ohm:200 x 4 / 700 x 2 Continuous Wattage @2ohm:370 x 4 / 1040 x 2 Continuous Wattage @1ohm:550 x 4 Max Current Draw (Amps):220 RCA Input Voltage Sensitivity:8 ~ 0.2 RCA Input S/N: 85dB Damping Factor: 100 THD: 0.2% Frequency Response (Hz):20 – 25k Sub-Sonic Filter:30 – 5k Low-Pass Filter:50 – 5k ( 12 dB/oct ) ZVL Input:No Pass Thru Output:Yes Power Wire Gauge:2 Speaker Wire Gauge:12 Dimensions (Inches):10.5 x 7 x 2 Dimensions (MM):268 x 177 x 54