Class: D Number of Channels: 1 - Mono Total RMS Power Output: 1000W Maximum Input Gauge Size: 2 AWG Minumum Impedance Unbridged: 1 Ohms Output Power Watt RMS     1-Ohm : 1000Wrms x 1     2-Ohms: 750Wrms x 1     4-Ohms: 475Wrms x 1 Mono Bridged @ 2-Ohms: N/A Mono Bridged @ 4-Ohms: N/A Frequency Response: 15Hz - 250Hz Signal to Noise Ratio: 95dB THD% : 0.10% Variable Hi-Pass: N/A Variable Low-Pass: 30Hz - 250Hz Variable Subsonic Filter:  15Hz -35Hz 45Hz Bass Boost: 0 - +10dB Damping factor: >200 Input (RCA JAck) Fuse RAting: 70A x 1 Bass Boost Remote Control: Yes Input sensitivity:     Low level: 200mV-6V Dimensions (L x H x W): 348mm x 64mm x299mm Features: PWM (Pulse Width Modulated) MOSFET power supply MB QR-2 Wired remote bass level control included LED power (green) and protect (red) indicators Variable Bass Boost (0 to +10 dB bass boost at 45 Hz Mono channel operation Dual speaker terminals simplify the hookup of multiple speakers Preamp RCA outputs to daisy chain multiple amps 4-Way System Protection circuitry (DC, thermal, overload, and speaker short protection) Piano black gloss finish with illuminated logo Heavy duty aluminum alloy convection heatsink for superb heat dissipation Silver-plated RCA level inputs Silver-plated screw terminals