Model:S-18       
Type                      Sub-woofer loudspeaker system
Frequency            25Hz--250Hz±3dB
Power handing      1200W  program
Drivers                      1X18"woofer                                
Sensitivity(1w/1m)          113dB
Nominal impedance        8 ohm
Dispersion(-6db)          0°
Connectors                   2xNeutrik NL 4
Dimensions (WxHxD)       561mmX618mmX780mm
Net weight               49 KG