Method 2-Way, 2-Speaker, Bass Reflex System, Bookshelf Type Units Used For low band : 25 cm cone type For high pass : 6.6 cm cone type Impedance 8 Ω Playback frequency band 38 Hz to 20000 Hz Output sound pressure level 91dB/W/m Max Input 50W Crossover frequency 3500Hz External dimensions Width 325x Height 570x Depth 307 mm Weight 14.5kg