Streamlined for power Infinity's sleek Reference 3004A four-channel amplifier will add some firepower and excitement to your music without losing its cool. This power plant can pump out 75 watts RMS to each of your front and rear speakers. Or, you could power front speakers with the amp's two front channels while sending up to 200 watts RMS to a subwoofer from bridged rear channels. Works in almost any vehicle Speaker-level inputs and signal-sensing turn-on allow this amplifier to work in almost any system, even if you're keeping your car's factory radio. You can use the separate high- and low-pass filters on the front and rear channels to maximize the performance of your speakers or subs. A set of preamp outputs allows you to send a signal to your subwoofer amplifier. Infinity Reference 3004A connection panel Product highlights: 4-channel car amplifier 75 watts RMS x 4 at 4 ohms 100 watts RMS x 4 at 2 ohms 200 watts RMS x 2 bridged at 4 ohms (4-ohm stable in bridged mode) Class H amp technology variable high- and low-pass filters (32-320 Hz, 12 dB/octave) on front and rear channels preamp and speaker-level inputs bare wire to RCA adapters included for high-level input preamp outputs wiring and hardware not included with amplifier 8-gauge power and ground leads recommended fuse rating: 30A x 2 dimensions: 12-5/8"W x 2-1/4"H x 7"D warranty: 1 year What's in the box: Infinity Reference 3004A owner's manual 4-Channel amplifier Four 30A fuses (2 installed/2 spares) 4 Speaker wire to RCA adapters Four 2-1/8" screws Logo badge w/ adhesive backing Owner's manual (Eng/Span/Fren/Others)