PRODUCT PARAMETER:
Unit :11.4MM Double Magnetic Circuit Two Divided-Frequency Graphene Unit
Original sound presentation  
Dual magnetic circuit+Dual voice coil       
Ultra HD resolution
Independent UHF      
Diamond-like nano Diaphragm     
Tesla Magnetic Flux
Sensitivity:108 dB mW     
Resistance: 20Ω
Minimum power: 8 milliwatts
Frequency Response Range :5Hz-40Hz  
standard wire version: 0.78mm double pin interchangeable wire