NDSi/DSI phone headset

Description

NDSi/DSI phone headset
1.Double stero spearker;sound and alt-bass clesrly.

2.sound function with clearly

Electric property trait:

speaker

1.108 3dB at 1,000Hz/1.28V

2.Resonance frequency Fo 250HZ20%

3.Frequency response 20-20KHz

4.Degree of distortion:input power rating 1KHz and the most degree of distoration is 5%

Microphone

1.sensibility:585dB

2.S/N60dB

3.Frequency response 30~16,000Hz

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