Get earthshaking bass with the all new Next Gen Klipsch Reference subwoofer. The 10-inch spun-copper woofer produces rich, detailed base from the top to the bottom of the frequency response range from 32Hz to 120Hz. The all-digital amplifier in this Klipsch Reference II subwoofer provides a peak of 300W for powerful bass with a max output of 115dB. | Klipsch | | R-101SW Reference Series 10" 150W Powered Subwoofer | Black | Best Buy