Patented Polk Audio technology and construction techniques produce powerful, deep bass performance, especially when you need it most.
Klippel Distortion Analyzer
State-of-the-art optimizations to the motor structure, voice coil alignment and suspension ensure the best, most efficient performance at all volumes.
Slot-loaded port design, lightweight polypropylene cones and durable rubber surrounds engineered for perfect volume, superior damping and deep, distortion-free bass response.
Proprietary intelligent amplifiers generate minimal heat and need less power to sound great, even at extreme listening levels.
Lower the subwoofer's intensity quickly and easily-right from the remote control.
Exclusive PRO Technology
Polk Room Optimizer (PRO) features four-way phase selection, four presets and an easy-to-read, blue status LED so you can adjust your subwoofer for optimal performance without leaving your seat.