speaker RF218 dual 18 inch subwoofer reflex range bass 

 speaker RF218 dual 18 inch subwoofer reflex range bass 

LF driver :2x18" 
Sensitivity 105dB 
Rated power:1600w RMS, 
peak: 3200W 
Normal impendance: 4ohm 
Frequency response 34Hz-300Hz(+/-3dB) 
Connectors 2x NL4 speakon 
 N.W. 72kg 
Dimension 1020*580*594mm
Features: Extremely well braced enclosures for clean bass performance ,Robust powder coated steel grilles ,Integral handles ,M20 threaded pole mount plate optional extra for RF218,Plywood 2 x Speakon NL4 connectors