Almost new kicker amp with serious power for all the mid voice speaker. Only reason I’m selling is because it takes up way to much room in my single cab truck. ZX Series 4-Channel Class AB Car Amplifier RMS Power Rating: 4 ohms: 175 watts x 4 chan. 2 ohms: 215 watts x 4 chan. Bridged, 4 ohms: 425 watts x 2 chan. Max power output: 850 watts x 2 chan. MOSFET power supply Wired remote bass level control included LED power and protection indicators Tuned Bass EQ (0-18 dB bass boost at 40 Hz) Balanced differential inputs make KICKER ZX Amplifiers compatible with any factory radios Eliminates unwanted noise in a system Boost, gain, and crossover frequencies are top-mounted for easy access, and a handy protection indicator featuring a new flashing yellow low-voltage light enhances the end panel Bridgeable operation Speaker-level inputs compatible (switchable) through RCA connection, Kicker 09ZISL required and sold separately Automatic turn on modes: remote, DC offset, or signal sense Thermal, voltage, and short circuit protection circuitry Variable high-pass filter (50-200 Hz, 12 dB/octave) Variable low-pass filter (50-200 Hz, 12 dB/octave) CEA-2006 compliant amplifier Frequency response: 20-20000 Hz Dimensions: 23-1/4"L x 9-5/8"W x 2-1/8"H 8-gauge power and ground leads recommended.