10W-325W per channel ; 15" woofer; 2.5" fluid-cooled tweeter; 4" wide-dispersion midrange; Freq resp: 33Hz-19kHz; 1kHz-3kHz crossover ; Sensitivity: 91dB @ 1W/1m; 3-way tower speaker system; MDF construction with vent ; Dim: 39"H x 17"W x 11"D; 5-year limited warranty; Black laminate finish; Each;