Polk Audio PSW111

The PSW111 Powered Subwoofer delivers powerful, accurate and musical bass from a shockingly small enclosure. Small enough to hide behind (or in) furniture or tuck into a corner, the PSW111 easily disappears from view. Features: -8" (203mm) powered subwoofer with 150 watt amplifier. -Perfect match to Polk RM or SurroundBar speakers, or any compact speakers. -Down-firing port couples to the room for deep bass impact. -Measuring 30.8cm H x 27.9cm W x 33cm D, the PSW111’s unobtrusive size hides the fact that it pounds out really big bass. -8-inch Dynamic Balance Composite Woofer Driver creates “tight,” musical bass. -Downward firing port couples to the room for more bass impact. -Powerful motor structure for a higher BL product,(the measure of the motive force applied to the cone) results in louder, deeper and punchier bass than previous Polk woofers in this price category -Klippel Optimized woofer – By using a state-of-the-art Klippel Distortion Analyzer, Polk engineers were able to optimize the woofer’s motor structure, voice coil alignment and suspension for the best possible performance even at extreme listening levels. -Compression Circuitry limits distortion at earth-shaking volume levels. -Built-in High Current Amplifier supplies all the good, clean power you need for the bass volume and and wide dynamic range necessary to recreate a life-like experience in your home. -Amplifier features: Adjustable Low-Pass Crossover, Phase Switch and Subwoofer Volume Control to more easily control your bass output and the sub’s blending characteristics with your front stage speakers. -Signal-sensing “smart amp” Auto ON/OFF Circuitry “knows” when to turn itself on and off. -Non-resonant MDF construction with internal bracing for deep bass impact with superior detail, accuracy and musicality.