Type: Dual 18 inch subwoofer sound system
Frequency Response (±3dB): 30Hz - 1000Hz
Sensitivity (1W/1M): 103dB
Max S.P.L (PEAK/1M): 140dB
Rate Power(RMS): 1200W
Max.Power(PEAK):  4800W
LF section: 2×18"(460mm)
LF Nominal impedance: 4 ohm
Speaker cables: 1(+)1(-)
Output section: 2-channel
Finish: Black sand grain paint
Enclosure: Compact 18mm Birch Plywood
Input connectors: 2xNL4FC speakon