Brand new SVS PB12-NSD subwoofer. Box opened to test and it's just complete overkill for the room I was putting it in. This thing will rattle your neighbor's house. Price is Firm, local pickup only. I can plug it in to test out prior to purchase Specs/Dimensions below. Specifications Subwoofer Cabinet dimensions (H x W x D): 20.9" x 17.3" x 22" Overall dimensions (H x W x D): 21.4" x 17.3" x 25.4" Weight: 66 lbs. Power cord length: 8 feet Driver Driver: SVS 12" NSD driver Voice coil: 2" diameter, high-power voice coil with high-temp former Frequency response: 18 - 150Hz ± 3dB Amplifier Input impedance: 20kΩ (unbalanced RCA) Power: 400W RMS continuous power; 800W peak dynamic power Klipsch Polk Audio jamo jvc infinity Sony subwoofer ported 10-inch 12-inch inch 10 12 8 home theater media room surround sound