System Type Bookshelf speaker Configuration 2-way acoustic suspension design Woofer 5.25” polypropylene cone Tweeter 1” aluminum dome Frequency Response 71Hz-20kHz Crossover Frequency 3 kHz Crossover Slopes 18dB LP, 18dB HP Sensitivity 86dB (2.83v@1m) Impedance 6 ohms nominal Inputs 2 each professional grade, nickel plated 5-way binding posts Speaker Dimensions 9.75"/248mm x 5.625"/143mm x 7.25"/185mm (H x W x D) Weight 8 lbs./3.6 kg each. Finish High Gloss Black or White.