SVS PB-1000 Pro 12" 325W Subwoofer in Kenya. It features a 12" front-firing woofer with 325W of RMS power and 820W of peak power for ground-shaking performance in nearly any listening environment, and its dual bass ports further enhance the rumble. With a frequency response of 17 to 260 Hz, the PB-1000 Pro is equipped to handle virtually all types of listening material.