The Svs Pb-1000 Pro is a ported powered subwoofer built for home theater, music, and gaming systems that need deep bass without muddy output. It uses a 12-inch high-excursion driver with a 325-watt Rms Sledge Sta-325D amplifier platform and advanced Dsp to deliver low-frequency output rated to 17Hz-260Hz 3 dB. The cabinet measures 20x15x18.9 inches, so it can be planned into a front soundstage, media cabinet area, room corner, or dedicated theater layout. Svs app control lets the listener.