Features Class D Technology Direct Connect Speaker Terminals Large Gauge Power Wire Inputs Selectable Low Level RCA Input Range PWM Mosfet Regulated Power Supply APC - Audio Protection Circuit SESI - Signal Evaluation Status indicator CHM - Collective Heat Management 2Ω stereo / 4Ω Bridged capability Specifications (Rated @ 14.4 volts) Dynamic Power: 4 x 90 Watts @ 4Ω Dynamic Power: 4 x 150 Watts @ 2Ω Dynamic power: 2 x 300 Watts @ 4Ω (bridged) Rated Power: 4 x 80 Watts @ 4Ω Rated Power: 4 x 140