Bass Inferno BI1750M 1x1750-Watts 1-OHM Class AB Amplifier Audiophile Grade Components High Efficiency Mosfet Outputs Continuously Variable 12dB per Octave Low Pass X-Over Continuously Variable 12dB per Octave High Pass X-Over (4 Channel Amplifiers) Bass Remote Included (BI1750M , BI3000D )