1 X 500w RMS At 4 Ohms 1 X 800w RMS At 2 Ohms 1 X 1500w Max At 1.3 Ohms Frequency Response: 15hz-150hz Input Sensitivity (Subsonic): 15hz-40hz, 24db Input Sensitivity (Low Level): 50hz-150hz, 24db Signal-To-Noise Ratio: >90db THD At 1watt, 4ohm: <0.10% Mono Block Subwoofer Amplifier 1 Ohm Stable MOSFET Power Supply Nickel Plated RCA Inputs Custom Terminal Block For Speaker Connections Phase Control 0-180 Degree Heavy Duty Power Coated Heat Sink Power And Protection Led Indicators Soft Turn-On/Turn-Off Dimensions: 9.40-InchW X 2.32-InchH X 21.22-InchL