Operating Voltage: 9 – 16 Test Voltage: 14.4 Input Channel(s): 4 Output Channel(s): 4 Continuous Wattage @4ohm: 75 x 4 Continuous Wattage @2ohm: 125 x 4 Max Current Draw (Amps): 40 RCA Input Voltage Sensitivity: 6 – 0.25 High-Level Input Voltage Sensitivity: 20 – 1.1 RCA Input S/N: 95 Damping Factor: 100 THD: 0.1% Frequency Response (Hz): 20 – 20k High Pass Filter: 35 – 250 Low-Pass Filter: 35 – 250 ZVL Input: No Pass Thru Output: No Power Wire Gauge: 4 Speaker Wire Gauge: 12 Dimensions (Inches): 5.75 x 4.5 x 2 Dimensions (MM): 146 x 115 x 50 Shipping Weight (Lbs): 4