There's almost nothing cooler than bringing the beats while you're out tearing it up off road or on the water. JL Audio's MX500/1 compact mono amplifier can send up to 500 watts RMS to your sub so you'll enjoy your music's thunderous power over all the noise of you having fun.WeatherproofThe MX500/1 comes equipped to overcome the dangers of weather, dirt, and corrosion, thanks to a tough aluminum chassis and gasketed control and connection covers. And you won't have to worry about getting caught in the rain — this amp carries a full IPX7 rating against water intrusion, so it'll play on through a storm. (You can spray it, but you can't dunk it.)Compact technologyJL Audio's NexD™ Class D amp technology delivers power efficiently and with low distortion. You'll get remarkable sound quality from an amp that fits into the kind of tight spots often found in marine applications. It's also ideal for your motorcycle, ATV, golf cart, tractor, or any other vehicle using a 12-volt charging system. Serial Numbers Are Recorded and Photographed Per Each Customer Order. Any product returned for any reason Must be returned in its original and serial number matching box / packaging. Product highlights:marine/powersports mono amplifier300 watts RMS x 1 at 4 ohms (500 watts RMS x 1 at 2 ohms)variable low-pass filter (40-400 Hz, 24 dB/octave)variable subsonic filter (20-40 Hz, 12 dB/octave)bass boost (0-12 db at 43 Hz)Class D amplifier design with NextD™ switching amp technologyIPX7 water-resistance ratingcorrosion-resistant cast aluminum chassisOther Features:preamp and speaker-level inputs ( speaker wire to RCA adaptor required for speaker-level input)4-gauge power and ground leads and a 50-amp fuse recommended — wiring and hardware not included with amplifierno onboard fuses — when installing multiple amps in a system, an additional 50-amp in-line fuse between the distribution block and the amplifier is recommended9-3/8"W x 1-13/16"H x 4-9/16"D Return for Refund All returns must be new, unused and/ or unopened in original serial number matching packaging including screws, hardware, knobs, plastic coverings, protective films, serial numbers, tags, stickers, and other manufacturer labels not removed or tampered with etc. A 20% restocking fee may be deducted from return refunds. Returned merchandise that is either opened, used or missing items will be issued up to a 50% partial refund. The retail box cannot be used as a shipping box.If you do not see something you expect to be included in the description we provide, it will not be included.Serial numbers must match serial numbers shipped along with matching serial number packaging, merchandise is photographed with serial number per purchase and recorded for our records, items returned back to us that were not purchased from us will not be refunded or warrantied.A traceable and insured shipping method is strongly recommended, we are not responsible for merchandise that has not reached our facility.Speakers, Tweeters, and Subwoofers with burnt/ frozen coils are not warrantiedAmplifiers that are returned and deemed defective from improper installation or use are not warrantiedShipping & handling charges are non-refundable. All refunds will be computed based on the unit cost. Products purchased with “Free Shipping” will have the UPS or USPS Rate deducted from their refund.