BIC America Venturi DV-62SIB 6.5 Bookshelf Speakers, Pair, Black Type: Bookshelf Speakers Driver Units: 6.5 poly/graphite woofer, custom-designed 0.75 poly soft dome tweeter Power Rating: 10-175 watts per channel Frequency Response: 43Hz - 21kHz (+/- 3dB) Nominal Impedance: 8 Ohms Sensitivity: 90 db @ 1 watt, 1 meter Dimensions & Weight: Dimensions: 14.25 H x 8.88 W x 9.13 D Weight: 31 lbs. Per Pair Parts: 1 year limited