Part Number 010-03883-00 5-Channel Class D System Amplifier, 75 W x 4 @ 4 Ω + 180 W x 1 @ 4 Ω - 14.4V THE AMP THAT DOES IT ALL Power your entire system with this 5-channel system amplifier that combines a 4-channel full-range and monoblock subwoofer amplifier in one single, easy-to-install package. A generous feature set adds even more value. Add option Bass Knob RBC-1 for convenient control of subwoofer on the fly. 12-DECIBEL/OCTAVE FILTER WITH SELECTABLE HIGH, LOW OR DEFEAT (OFF) MODES SELECTABLE INPUT VOLTAGE: LOW (200 mV TO 2-VOLT RMS) TO HIGH (800 mV to 8-VOLT RMS) 3 TURN-ON OPTIONS: +12-VOLT REMOTE WIRE, SIGNAL SENSING OR DC OFFSET ONBOARD LED CLIPPING INDICATOR SIMPLIFIES LEVEL SETTING SIGNAL ROUTING FLEXIBILITY WITH 2-, 4- OR 6-CHANNEL INPUT MODE 2-YEAR WARRANTY General Channels 5 Physical dimensions (Height) 2.10" (53 mm) Physical dimensions (Width) 11.86" (242 mm) Physical dimensions (Depth) 7.50" (190 mm) Weight 6.55 lbs (2.97 kg) Operating voltage 10.5-16 VDC Warranty 2 years Audio Amplifier class Class D Rated continuous (RMS) power (14.4 V input @ 4 Ohm < 1% THD) Main: 75 W x 4Sub: 180 W x 1 Rated continuous (RMS) power (14.4 V input @ 2 Ohm < 1% THD) Main: 100 W x 4Sub: 300 W x 1 Rated continuous (RMS) power (12.5 V input @ 4 Ohm < 1% THD) Main: 60 W x 4Sub: 180 W x 1 Rated continuous (RMS) power (12.5 V input @ 2 Ohm < 1% THD) Main: 90 W x 4Sub: 300 W x 1 Signal-to-Noise Ratio, referred to highest rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth): Analog Inputs - Main Channels >104 dB Signal-to-Noise Ratio, referred to highest rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth): Analog Inputs - Subwoofer Channel >80 dB Signal-to-Noise Ratio, referred to 1 W (A-weighted, 20 Hz - 20 kHz noise bandwidth): Analog Inputs - Main Channels >84 dB Signal-to-Noise Ratio, referred to 1 W (A-weighted, 20 Hz - 20 kHz noise bandwidth): Analog Inputs - Subwoofer Channel >60 dB Damping factor @ 4 Ω >150/50 Hz Damping factor @ 2 Ω >75/50 Hz THD+N @ Rated Power: Main Channels