Complete your sound system with this 12-inch subwoofer from Velodyne. It features a rear ported design for less audible distortion and is magnetically shielded so you can place it near your TV or other stereo components without causing interference. Features include: 130W output power 12-in. rear port subwoofer Low noise, rear port design 8.2-in. piston diameter Black ash with hourglass front grille High gloss black accents Monolithic MOS power amplifier for more dynamic headroom Rear ported for less audible distortion Video shielded Adjustable low-pass filter Phase adjustment