Rockford Fosgate T600-4 Power 600 Watt 4-Channel Amplifier RMS Power Rating: 4 ohms: 100 watts x 4 chan. / 2 ohms: 150 watts x 4 chan. / Bridged, 4 ohms: 300 watts x 2 chan. Max power output: 600 watts x 4 chan. MOSFET power supply Remote bass level input (remote level control sold separately) LED power, thermal, power indicators Four-channel amplifier delivers 100W x 4 @ 4-Ohms, 150W x 4 @ 2-Ohms, 300W x 2 @ 4-Ohms bridged (RMS) Class A/B amplifier with MOSFET output stage and power supply Variable front/rear high-pass/low-pass filters with range of 50-500 Hz (24 dB/octave slope) Variable front/rear bass (0dB to +18dB @ 45Hz) and treble (0dB to +12dB @ 12kHz) boost controls Low-level RCA input and pass-thru output