Specifications Model FT-15 Drivers LF: 1*15" / HF: 1*3" Rated Power 550W Rated power 800W Nominal impedance 8 ohms Frequency Range 35Hz-19KHz Sensitivity(1m/1W) 99dB MAX SPL) 129dB Dispersion(HxV) 90°*60° Construction Enclosure Material Birch plywood Enclosure Grille Black hole dustproof steel stick breathable cotton in the grid Finish Dark green water resistant paint (color can be customized) Dimensions(W*D*H)mm) W478*D361*H736 Net weight (Kg) 26.8Kg