Product highlights:

• bass-reflex (ported) enclosure
• 200-watt Class D amplifier
• 8-1/4" down-firing Polyflex woofer
• frequency response: 35-150 Hz (±3dB)
• RCA line level/LFE (low frequency effects) input
• variable low-pass crossover control
• phase switch to acoustically match the subwoofer's output to your main speakers
• automatically powers off when it no longer receives signal from the receiver
• 11-3/16"W x 12-1/8"H x 11-7/8"D
• weight: 17.5 lbs.