HM-18 product features
●System type:1 unit inverse-phase type subwoofer
●Rated power:500W
●Maximum power:1000W
●Impedance:8 OHMS
●Sensitivity(1W@1m):102dB
●Max SPL:129dB@500w(132dB@1000w)
●Frequency bandwidth(-6dB):38Hz—250Hz
●Directivity(-6dB):NO
●Transduction device configuration:ferrite low-frequency driver 18″(460mm unit 100mm voice coil)×1
●Connector: SPEAKON NL4×2 (PIN1+/2+POS. PIN1-/2-NEG)
●Carton material:18mm(0.7″)MDF
●Carton dimension:W525*D558*H750mm
●Weight( for each one) :44.35kg/48.30kg