Yamaha YST-SW215 Home Theater Powered Active Subwoofer HD

Yamaha YST SW215 Home Theater Powered Active Subwoofer Sub System Specs: QD-Bass (Quatre Dispersion Bass) Technology Digital Home Theater Subwoofer Advanced-YST Active Servo Technology for expanded bass response A/V ready, magnetically shielded for video use Power Built-in 150 Watt High Power Amplifier Driver Size 8" down-firing driver Other Features: BASS Circuit (Bass Action Selection System) Auto standby power on/off, with override switch Line level and speaker level connections 50Hz to 150Hz variable high-cut filter High cut slope:-24dB/octave Volume control Phase normal/reverse switch Banana plug compatible three-way binding speaker posts: Frequency Response: 30Hz-200Hz Dimensions (W x H X D): 11-7/16" x 14-3/16" x 12-7/16" Weight: 25.3 lbs.