Quest Q50C in perfect condition. Video Shielding: Yes Tweeter: 1" Ferrofluid Cooled Silk Dome Woofer: Dual 5" Polypropylene Treated Mica Cone Frequency Response: 85Hz-20kHz Sensitivity: 87dB Nominal Impedance: 8 ohm Maximum Amplifier Power: 100 watts Finish: Black Dimensions (HxWxD): 42" x 8.9" x 14.9" Weight: 50lbs., 22.7kg/pc http://www.questhifi.com/q50c.html