Polk Audio CSW100 in-floor in-ceiling subwoofer

Bass Performance That's Out of Sight The Polk CSW100 is the least visually intrusive built-in subwoofer on the market today. It's designed for in-floor, in-ceiling or in-furniture placement. It fits comfortably between standard joists and the narrower QuietFloor spacing. Once installed, all you see is a tiny 4 1/2x14-inch grille (supplied). Visitors to your home will think they're seeing an air vent and they'll wonder where all that awesome bass is coming from!CSW100 Features: Winner: CEA Innovations Design & Engineering Award.* Installs easily between standard floor or ceiling joists, or sits inside an entertainment center. Long-throw 10-inch poly-composite subwoofer driver. Polk's proprietary, patented Dynamic Balance technology allows our engineers to design out distortion-causing driver and system resonances, so you only hear the good sounds. Klipple optimized coil alignment for extraordinarily efficient shallow-depth motor action even at tremendous volume levels. Rigidly-braced MDF composite enclosure for resonance-free, totally rattle-free performance. Patented high velocity compression drive bandpass alignment with slot-load bass venting for gutsy, driving bass. Heavy duty mounting hardware and professional anti-rattle isolation pads included. Grille opening dimensions: 3-inches H x 12-inches W (7.62cm H x 30.48cm W). Powered for optimum performance by the SWA500 digital amplifier, available separately. All Polk products are made using the best materials and the most advanced manufacturing techniques. They pass the industry s most exhaustive quality tests, including drop testing, extreme signal response and UV & salt exposure testing. Polk loudspeakers are built to perform for a lifetime. * The Innovations Design and Engineering Award is based upon descriptive materials submitted to the judges. CEA did not verify the accuracy of any submission or of any claims made and did not test the item to which the award was given.