Crunch GP-3500.1D Mono Car Amplifier 3500 Watt Class D 1 Ohm with Bass Remote Crunch Ground Pounder with QTD Technology delivers 3500 watts at 1 ohm stability to subwoofers and features include built-in electronic crossovers and includes bass remote    CLASS: Class D  TOTAL CHANNELS: 1  POWER  1 OHM (CH X WATTS): 1 x 3500  POWER  2 OHMS (CH X WATTS): 1 x 1750  POWER  4 OHMS (CH X WATTS): 1 x 875  MONO BRIDGED  4 OHMS (CH X WATTS): N/A  CROSSOVER: Variable Electronic 12dB Per Octave  TONE CONTROL/PARAMETRIC EQ: Built-in bass control  BASS BOOST: Switchable: 0 / +6 / +12dB  SUBSONIC FILTER: 10Hz-40Hz  PHASE SHIFT: 0-180 Degrees  VARIABLE VOLTAGE: .2 to 9V  FREQUENCY RESPONSE: 10Hz-500Hz  SPEAKER LEVEL AUDIO INPUTS: Yes  POWER TERMINAL 12V/GND: 4 AWG  SPEAKER TERMINAL WIRE GAUGE: 12 AWG  FUSING: 2 x 30A