Elac DB53-WN Two Way Bookshelf Speakers - Aramid Woven Woofer - Aramid Fiber Woofer - Internally Braced - Easy To Power - Magnetic Grilles - Distinguishing Phase Plug - Frequency Response 42 To 38KHz - 6 Ohms Impedance - 86.5 dB Sensitivity - 1" Aluminum Dome Tweeter - 5.25" Woofer - CARB2 Rated 16mm MDF - Walnut Vinyl Front - Dual Flared Port - 5 Way Metal Binding Posts - Crossover Frequency 1900Hz - ( 6.8"W x 10.5"D x 12.2"H ) - (Walnut)