The only thing thin about the CompRT? Subwoofer is the mounting depth. Whether it��s on the road sand or trail these tough subs work perfectly in nearly anything with a motor.The CompRT 6.75-inch Subwoofer is an all-weather thin subwoofer with a pair of 2-Ohm voice coils. With a mounting depth under four inches and plenty of power handling this go-anywhere sub is as flexible as it is powerful. A UV-resistant cone and surround help make the CompRT sound great wherever the road (or trail) takes you.A thick magnet structure reliably delivers huge power handling without affecting mounting depth. The specially designed UniPlate? backplate and solid pole piece serve as a single heat-absorbing unit to provide excellent thermal management. With the custom SoloKon? technology and the CompRT��s unique framework the sub sounds fat �C but keeps it thin! To make their subs even more reliable KICKER engineers Your car��s back dash. The bags on your bike. Behind your ATV��s seats. Add the weatherproof CompRT Sub to your ride without sacrificing comfort or storage space. Superior components make a huge difference. Heat is the enemy of endurance. To make their subs even more reliable, KICKER engineers developed Forced-Air Cooling to help the CompRT subs run 20 percent cooler. This KICKER? sub is built to take the power and sound incredible. With recommended power ratings as high as 500 watts, it��s easy to get the bass you crave. Please check the product box for the Kicker provided manual with instructions