15inch PA speaker                                   
Glass fiber and paper cone with cloth surround                    
Blue high gloss colour Die cast basket with paper gasket   
2-Layer CONEX material  spider  
Black zinc chromate plated top and bottom plate 
4-layer 99.8mm  BACCW  voice coil  
220mm 130 Oz magnet    
Nominal impedance:8ohms DC Resistance:7.2ohms
F0:42HZ 
Rated music power:2200w
SPL:98db  Qms:5.36 Qes:0.28 Qts:0.27