The OS100TB is attractively styled, 100W two-way music speakers that provide excellent sound reproduction at 8-ohms, 25V, 70V or 100V. They are engineered for indoor or protected outdoor use in upscale retail, restaurant, commercial, professional, educational or residential applications. OS100T Series features an architecturally curved plastic housing with a weather resistant terminal cover, fine mesh grille and U-shaped mounting bracket. Both the grille and bracket are made of aluminum for long lasting quality appearance. The two-way speaker features a 6.5”mica-coated woofer with a rubber surround for weather resistance. The high quality tweeter is a 1” silk domed driver for flat and smooth high frequency response. Power rating is 100 watts with a frequency response of 97Hz to 20kHz + 6dB and average sensitivity of 87.8dB measured 1W1M. Each speaker measures 11.15”H x 8.66”W x 8.5”D (with bracket). The assembly weighs 7.35 pounds and is packaged one per box.