The new CompRT® Subwoofer Enclosures make surprisingly strong smooth bass in a box under seven inches deep.The CompRT 6-3/4-inch Subwoofer Enclosure is the easiest way to get great bass under your seat behind your backbench or in your cargo area. It comes loaded with a reFLEX™ passive subwoofer and CompRT active sub for extremely low bass then carpeted and loaded with a single 2-Ohm terminal.Built for extreme bass this KICKER® sub-box has extensive internal bracing thick MDF construction and custom embroidery. The CompRT’s signature red double stitching makes an outstanding bond between the improved Santoprene surround and polypropylene woofer cone. Revolutionary SoloKon™ technology joins the cone to the vented back brace creating a single integrated unit that both cools the motor and eliminates distortion.To make their subs even more reliable KICKER engineers developed Forced-Air Cooling™ to help their subs run 20 percent cooler than before. The CompRT 6-3/4-inch Subwoofer Enclosure works best with 150 watts of recommended power.Use The AirHeat is the enemy of endurance. To make their subs even more reliable KICKER engineers developed Forced-Air Cooling to help their CompRT subs run 20 percent cooler.Great ReflexesKICKER's engineers added a Reflex Subwoofer to their CompRT loaded enclosures giving you even deeper smoother bass in an incredibly thin box.It FitsWhether it’s behind the backbench of your pickup under a seat or in the trunk the CompRT sub box is a perfect fit. One amplifier connection later – you’re booming!Built ToughKICKER builds their boxes as tough as Oklahoma. A thick black carp | Kicker | | 6.75" 2-Ohm CompRT Loaded Subwoofer Box | Black | Best Buy