MDL-1810 -Woofer:18"Aluminum Frame 100mm voice coil, -Frequency Range:30HZ-200HZ -Impedance:8 Ohm -Sensitivity(1m/1W):95dB -Max SPL:123dB -Rated Power:800W -Output Power:1600W -Product Dimension:86*56*60.5 -Carton Size:94*58*63 -Woofer:10"Aluminum Frame 50.5mm voice coil, -Neodymium Tweeter:2X44mm ti.Diap.driver.8ohm -Frequency Range:80HZ-20KHZ -Impedance:8 Ohm -Sensitivity(1m/1W)108dB -Max SPL:115dB -Rated Power:200W -Output Power:600W -Product Dimension:86*40.5*29.5 -Carton Size:94*48.5*38