Gutting my Home Theater Room, so selling off my speakers. Used these as my rear surround - but can be used for other locations. These speakers are in excellent condition, and hardly used. -4-1/2" woofer and 1" aluminum dome tweeter with Vented enclosure for deep bass response - Unique wedge-shaped, 2-way loudspeaker features multiple mounting options, including mounting bracket: walls, corners, ceilings, and other tight locations Nominal Impedance 8 ohms Crossover Frequency 3000Hz Dimensions (HxWxD) 14-1/4 x 6-1/2 x 5-1/4" Recommended Amplifier Power 15-125 watts Frequency Response (±3dB) 80Hz-20kHz Finish Black Sensitivity (1 watt (2.83v) at 1m) 89dB Additional Specs Here: http://www.bostonacoustics.com/US/Product/Pages/ProductDetail.aspx?Pid=BravoII(BostonAcoustics)