Coaxial Speaker System
Woofer: Steel Basekt, Polypropylene Cone With Butyl Surround Tweeter: Built With Mylar Dome

Coaxial Speaker System    
Woofer: Steel Basekt, Polypropylene Cone With Butyl Surround Tweeter: Built With Mylar Dome Diaphragm   
Specifications:    COA-MA4031
Size: 4" 3-Way 
Woofer Magnet: 6oz 
Woofer Voice Coil: 1"
Power (RMS): 80W 
Power (MAX): 160W
System Frequency Response: 110Hz~20KHz 
System Efficiency @1W/1M: 90dB 
System Impedance: 4 Ohms