Custom logo stability old carbon microphone for telephone

Our company is a China professional electroacoustic manufacturer factory with 50 years history. in the production of electroacoustic device accessories. We can supply you directly, and of course our prices will also be competitive. In addition to buzzer,microphone、speaker、Receiver、siren/alarm, etc. are our main supplies.       Product Name Custom logo stability old carbon microphone for telephone Product picture OT-100B   1.Stability old carbon microphone. 2.China professional electroacoustic manufacturer with 50 years history. 3.Performance can be adjusted. 4.Used in telephone.   Characteristics Product Features *Brand Huasheng *Part number OT-100B *Dimension 47.5*17.8mm *Rated Voltage 3V *Sensitivity  -10+/-4dB *Frequency Range 300--3400Hz *Impedance 100ohm *Housing Material Aluminum *Color Silver *Packing…

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