Check the listing for details. MTX MUD600-1 650W x 1 Powersports Amplifier. Condition: New. Listed at 329.95 USD. Product highlightsmarine/powersports mono amplifier 300 watts RMS x 1 at 4 ohms 650 watts RMS x 1 at 2 ohms conformal coated circuit board and control covers protect against moisture and dirt Class D amp technology (frequency response: 10-250 Hz) variable low-pass filter (40-250 Hz, 12 dB/octave) variable bass boost (0-18 dB at 45 Hz) optional remote bass knob (EBC-01) available soon from MTX wiring harness features quick disconnects for easy amp and sub removal preamp and speaker-level inputs speaker wire to RCA adapter required for speaker-level input) wiring, fuse, and hardware not included with amplifier 4-gauge power and ground leads and a 60-amp fuse recommended dimensions: 7-3/8"W x 1-7/8"H x 5-9/16"D warranty: 2 years What's in the boxMono amplifier 12" 14-Gauge speaker harness 12" 10-Gauge power wire (male bullet plug on the amplifier end) 12" 10-Gauge ground wire (female bullet plug on the amplifier end) 12" 18-Gauge turn-on wire (female bullet plug on the amplifier end) Four 3/4" Screws Owner's manual (English/ Spanish/ Portuguese/ French) About this itemWritten by Crutchfield's Buck PomerantzBig bass on water, mud, or sand Designed specifically for use on small boats, UTVs, sand rails, or motorcycles, MTX's MUD600-1 mono subwoofer amplifier brings big bass sound - up to 650 watts RMS - to any vehicle or vessel. Rugged, efficient, and ready for adventure, this sub amp will help you enjoy your tunes to the max while you're out having a good time. Compact and versatile With less than a 6" x 8" footprint, this compact power amp will fit in a lot of tight locations in vehicles that can't spare much space. The amp features a variable low-pass filter and bass boost that let you tune the bass signal to perfectly match your sub and enclosure. Ready to ride MTX made this weather-resistant amp for off-road adventure, with a conformal-coated circuit board and control covers that keep moisture and dirt from spoiling the fun. Its unique design includes a pigtail that contains the power, ground, and signal wires without the need for a connection directly at the amplifier. The pigtail also protects the internal components from moisture, dirt, and other hazards, so you'll continue to have fun without worrying about how the amp's holding up. Input, output, and power wiring harness featuring quick disconnects for easy sub and amp removal