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-MA6931
Size: 6x9" 4-Way
Woofer Magnet: 21.6oz
Woofer Voice Coil:  1"
Power (RMS): 200W
Power (MAX): 400W
System Frequency Response: 50Hz~20KHz
System Efficiency @1W/1M:  90dB
System Impedance: 4 Ohms