44mm Ksv vocie coil  
11Oz ferrite magnet    
titanium dome and aluminum flat wire voice coil        
3.36uf/250v MET capacitance                                                                                                                Impedance:8ohms                                                                                                                  
Power rating:300 Watts .
Sensitivity:102dB/m/w                                                    
Packaging:1 Pcs in color box