2014 best-selling USB headphone(SW-U200)Speaker:Unit: Ø 40mmSensitivity: 105dBSPL: 1kHzImpedance: 32ΩFrequency response: 20Hz to 20kHzRated power: 100mWMicrophone:6 X 5mm (diameter) electric condenserDirective: OmnidirectionalSensitivity: -58 ± 2dBImpedance: LowFrequency response: 30Hz to 16kHzCable: (approximate) 2.0 ± 0.3m (textile cable)Plug type: 3.5mm stereo X 2
| Specification: | |||
| Speaker: 40mm | |||
| Frequency response: 20Hz-20KHz | |||
| Sensitivity:105dB±3dB S.P.L at 1kHz | |||
| Impedance:32ohm±10% | |||
| Cord Length:1.80M+/-0.2m |