Operating Voltage: 9 – 16 Test Voltage: 14.4 Output Channel(s): 4 Continuous Wattage @4ohm: 4 x 125 / 2 x 400 Continuous Wattage @2ohm: 4 x 200 Max Current Draw (Amps): 80 RCA Input Voltage Sensitivity: 8 – 0.2 RCA Input S/N: 90dB Damping Factor: 100 THD: 0.2% Frequency Response (Hz): 30 – 30k Sub-Sonic Filter: 30 – 5k Low-Pass Filter: 50 – 5k Pass Thru Output: No Power Wire Gauge: 4 Speaker Wire Gauge: 16 Dimensions (Inches): 7 x 4 x 1.7 Dimensions (MM): 180 x 104 x 43