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Add powerful bass to your home entertainment experience with the piano gloss black SVS SB13-Ultra 13.5" 1000W Subwoofer. It uses a 13.5" front-firing woofer to produce up to 1000W of RMS power and up to 3600W of peak power for ground-shaking performance in nearly any listening environment. With a frequency response of 20 to 460 Hz, the SB13-Ultra is equipped to handle virtually all types of listening material.