SVS PB-3000 R Evolution Ported Subwoofer (Black Ash) The SVS PB-3000 R Evolution is a high-output, ported subwoofer engineered to deliver room-pressurizing deep bass for home theater while maintaining precision and low distortion. It uses a newly developed 13-inch high-excursion driver mated to a powerful DSP-controlled Class D amplifier platform, with low-frequency extension rated to about 16 Hz (±3 dB) and multiple port-tuning modes to optimize output and extension for different rooms. Product Highlights: Proprietary 13-inch long-throw driver with high-precision tuned overhung motor configuration 1,200-watt continuous Class D design with over 4,000 watts of Peak Power Frequency Response: 16Hz to 235Hz +/-3dB (standard mode - all ports open), 7Hz to 270Hz +/-3dB (sealed mode - all ports sealed) Rigid and braced MDF cabinet »» Dimensions (w/ grille): 21.9" (557mm) H X 18.3" (465mm) W X 24.7" (626mm) D Weight (unboxed): 85.1 lbs. (38.6 kg) Our 30-day money back guarantee Harnessing new