Polk Audio HTS 10 Inch / 200w Peak Powered Subwoofer (Washed Black Walnut)

• Bass-reflex (ported) enclosure with down-firing Power Port for clear, accurate bass 10" front-firing polypropylene woofer 100-watt RMS (200-watt peak) Class D amplifier
• Frequency response: 30-120 Hz (-3dB) RCA line level/LFE (low frequency effects) input variable low-pass crossover control
• Phase switch to acoustically match the subwoofer's output to your main speakers automatically powers off when it no longer receives signal from the receiver
• Size : 15-1/8"W x 16-5/8"H x 18-1/16"D / Weight: 37.75 lbs.