This Polk Audio PSW Series PSW 108 active subwoofer features a 10" Dynamic Balance polymer composite cone for bold, powerful low-bass sound, delivers optimal performance at high listening levels. Excellent / like-new condition. Features: Internal amplifier Supplies 100W peak power for a high level of volume with minimal distortion. 10" active subwoofer With a Dynamic Balance polymer composite cone delivers thunderous bass for high-quality home theater audio. Klippel distortion analyzer Optimizes the woofer's motor structure, voice coil alignment and suspension for enhanced performance at high listening levels. Laser Interferometry analysis tunes out distortion and unwanted resonance for pure sound. Front-firing, flared port Directs high-impact bass at your seating area. Line- and speaker-level inputs Along with speaker-level outputs enable flexible connectivity. 35-200Hz frequency response Providers deep, powerful low-frequency sound. Dimensions: 17.38 inches x 14 inches x 14.38 inches Weight 26 pounds