Formula Series 4-Channel Class A/B Car Amplifier RMS Power Rating: 4 ohms: 70 watts x 4 chan. 2 ohms: 140 watts x 4 chan.
Formula Series 4-Channel Class A/B Car Amplifier RMS Power Rating: 4 ohms: 70 watts x 4 chan. 2 ohms: 140 watts x 4 chan. Bridged, 4 ohms: 280 watts x 2 chan PWM (Pulse Width Modulated) MOSFET power supply LED power (green) and protect (red) indicators Variable Bass Boost (0 to 9 dB bass boost at 45 Hz 4/3/2 Channel operation Unbalanced RCA input jack Preamp RCA outputs to daisy chain multiple amps 4-Way System Protection circuitry (DC, thermal, overload, and speaker short protection) Heavy duty aluminum alloy convection heatsink for superb heat dissipation Input sensitivity: Low level: 200mV-6V Signal to noise ratio: 90dB Channel separation: 80dB Variable low-pass filter: 30-150 Hz Variable high-pass filer: 10-1200 Hx LP/HP/Full crossover switch Damping factor: 180 Frequency response: 10-45,000 Hz Silver-plated RCA level inputs Silver-plated screw terminals Dimensions: 12-3/4 L x 9-1/2 W x 2-1/4 H 1-year Manufacturer s warranty