Crunch GP-2500.1 2500 Watt Mono Amplifier Car Audio Amp Crunch Ground Pounder with QTD Technology delivers 2500 watts to subwoofers and features include built-in electronic crossovers and includes bass remote. Dimensions: 10.75 × 8 × 2.375 in Series: Ground Pounder Model Replaced: PD-2100.1 Compatible Vehicles: Universal Amp Max Power (watts): 2500 Amp Power @ 2 Ohms (ch x watts): 1 x 2500 Amp Power @ 4 Ohms (ch x watts): 1 x 1250 Amp Crossover: Variable Electronic 12dB Per Octave Amp Tone Control / Parametric EQ: Built-in Bass Control Amp Bass Boost: Switchable: 0/+6/+12dB Amp Subsonic Filter: 10Hz-40Hz Amp Phase Shift: 0-180 Degrees Amp Variable Voltage: 0.2-9V Amp Frequency Response: 10Hz-500Hz Amp Speaker Level Audio Inputs: Yes Amp Power Terminal 12v/GND: 4 AWG Amp Speaker Terminal Wi