Specifications System Type: Bookshelf speaker Configuration: 3-way acoustic suspension design Woofer: 6.5" aluminum cone Midrange: 2" aluminum dome Tweeter: 3/4" aluminum dome Frequency Response: 45Hz-20kHz Crossover Frequencies: 800Hz, 3.2kHz Crossover Slopes: 12dB LP, 12dB HP, 18dB LP, 18dB HP Sensitivity: 87dB (2.83v@1m) Impedance: 8 ohms nominal Inputs: 2 each professional grade, nickel plated 5-way binding posts Speaker Dimensions: 13.75" x 7.5" x 10.375"/185mm (H x W x D) Weight: 20 lbs./9.1 kg each Finish: High Gloss Black Multi-Coat Paint with Clear Coats