Headphone headset headset desktop computer telephone landline with microphone microphone
Speaker Diameter:40mm
Speaker Impedance:32 2
Speaker Frequency Response : 20HZ 20KHZ
Speaker Sensitivity: 115dB土3%
Rated power output: 41MW
Maximum Output Power: : 84MW
Noise level:≤-78dBA
Dynamic range:≥78 dBA
THD: < 0.1%
Stereo crosstalk:≤-52 dBA
MIC SIZE:中97* 60mm
MIC Sensitivity: -52dB
Directional microphone: Noise canceling
MIC Impedance:≤2.2K Q
MIC Frequency Response: 50Hz - 15KHz
![](http://s.alicdn.com/@sc04/kf/H5cf984f2c3a9403898d9d65ae440b5f1V/201479739/H5cf984f2c3a9403898d9d65ae440b5f1V.jpg?quality=close)
![](http://s.alicdn.com/@sc04/kf/H041504d07a994479855881b394ce057cM/201479739/H041504d07a994479855881b394ce057cM.jpg?quality=close)