TW-358C-HP
         
         
         
          
         
         Product Specification:
Driver Unit: 40 mm Dynamic type
Impedance: 32 Ohms
Sensitivity: 105dB±4dB
Frequency: 50~16000Hz
Max.Input Power: 100mW
Sensitivity:-58dB±3dB
Frequency: 50~16000Hz
Cord length: (1.8M)±3%
Connector: USB JACK
Volume Control (optional): Yes
TW-990
      
      Product Specification:
Driver Unit: 40 mm Dynamic type
Impedance: 32 Ohms
Sensitivity: 105dB±4dB
Frequency: 50~16000Hz
Max.Input Power: 100mW
Sensitivity:-58dB±3dB
Frequency: 50~16000Hz
Cord length: (1.8M)±3%
Connector: USB JACK
Volume Control (optional): Yes