Advent 3-way Tower Speakers- Black Ash Vinyl, Single (2) 6.5" Polypropylene Woofers 1" Soft Dome Tweeter Frequency Response: 35Hz ~ 30kHz Nominal Impedance : 8 ohms Sensitivity : 90dB Recommended Power : 100 ~ 200 Watts Dimensions : 39.25" H x 12.5" W x 14" D Video Shielded