Gm digital Series monoblock class D car amplifier RMS power rating: 4 ohms: 300 watts x 1 chan. 2 ohms: 500 watts x 1 chan. 1 ohm: 800 Watts x 1 chan. Max power output: 1500 Watts x 1 chan. Pulse width modulated MOSFET power supply wired remote bass level control included LED power (Green) and protect (red) indicators variable bass boost (0 to +18 dB bass boost at 50 Hz) preamp RCA outputs to daisy chain multiple amps 3-way protection circuitry (thermal, overload, and speaker short protection) Dual speaker terminals simplify the hookup of multiple speakers high-density split-dome convection heat-sink for extreme heat dissipation Nickel-plated RCA level inputs Nickel-plated screw terminals Input sensitivity: low level: 200mv-6.5V High level: 0.8V-16v variable low-pass filter (40-240 Hz, 12 dB/octave) CEA-2006 compliant amplifier Frequency response: 10-240 Hz