18inch PA speaker                                   
Glass fiber and paper cone with cloth surround                    
Black high gloss colour Die cast basket with paper gasket  
4-Layer CONEX material  spider  
Black zinc chromate plated top and bottom plate 
4-layer 99.8mm  BACCW  voice coil  
220mm 100*2 Oz magnet    
Nominal impedance:8ohms DC Resistance:7.2ohms
F0:41HZ 
Rated music power:2200w
SPL:96.3db  Qms:5.8 Qes:0.36 Qts:0.34