2mm Dome Tweeter 8" High Polymer Laminate Woofer 5" High Polymer Laminate Mid Range Crossover frequencies 800 Hz and 4.5 kHz Frequency Response 35 Hz to 23 kHz Sensitivity (1 watt at 1 meter) 89 dB Nominal Impedance 8 Ohms Recommended Amp Power 10 to 150 watts External Dimensions 32" High X 11" Deep X 10" Wide Weight