Rockford Fosgate Power T1500-1bd - Amplifier - 1-channel - 1500 Watts x 1 mono subwoofer amplifier 500 watts RMS x 1 at 4 ohms (1,000 watts RMS x 1 at 2 ohms, 1500 watts rms x 1 at 1 ohm) Dynamic Thermal Management cooling system Differential Input circuitry eliminates hum variable low-pass filter (35-250 Hz, 24 dB/octave)