The Polk Audio HTS 10 subwoofer is a powered home theater and music subwoofer featuring a 10-inch driver, a 200W peak (100W continuous) Class D amplifier, and Polk's patented Power Port technology for deep, low-turbulence bass. It is designed with a front-firing driver, a ported enclosure, and offers controls for volume, low-pass filter, and phase adjustment, plus universal compatibility via LFE or RCA inputs.