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High Sensitivity Mic For Voice Control Switches
Electret condenser microphone is a sound- electrical conversion device. The Electronic condenser microphone is used in
telephones, wireless telephones, mobile phones, telephones, PCs, language-learning recorders, radio recorders,
cassette recorders, alarms, voice control toys, voice control switches and so on .
Electret condenser microphone :
1). Diameter of microphone :6.0mm
2). Height of microphone :5.0mm
Specification :
Directivity |
Omni directional |
Sensitivity |
-38±2dB (0dB=1V/0.1Pa,1KHz) |
Impedance |
2.2kΩ(Maximum) |
Frequency |
20-16,000HZ |
Max.operation voltage |
10V |
Standard operation voltage |
3V |
Current consumption |
Max,0.5mA |
Sensitivity reduction |
Within -3dB at 3.0V |
S/N Ratio |
58dB(Minimum)(A-Curve at 1KHz,Pa) |
Dimensional Drawing:
Q1. Is it a reliable company?
Qinyi reply: Weifang Qinyi Electronic Science and Technology Co.,Ltd is a high technology company which is
professional in researching and manufacturing microphones.
Our Company has occupied an area of 40 acres and established in the year of 2000,We have got a professional team
which possesses strong technical strength and rich practical experiences.
In recent years,our company has introduced of a series of advanced production equipment.
Q2: What about the delivery?
Qeply: we can offer the door to door services by air or by sea, just depend on your actual request. Such as DHL, UPS,
TNT, FEDEX… by air; and the sea transportations.
Q3: What’s the delivery time?
Qeply: 3 working days. huge stock.
Q4 :How to choose the microphone?
Directional: According to the sound receiving range, the microphone is divided into omnidirectional, unidirectional, and
noise canceling. The noise canceling microphone is designed to decay the low frequency far. Most customers use omnidirectional
microphone; the unidirectional is only used in some special occasions, therefore we should pay more attention to mechanical and circuit design.
Sensitivity: The sensitivity of the microphone affects the recorded volume. However, high sensitivity doesn’t mean a good
microphone. The good circuit design is also necessary for getting better results. We suggest selecting a middle common sensitivity
at beginning. Too high or too low might affect the lead time and the price.
Test condition: The test voltage and the impedance affect the sensitivity of the microphone. Generally speaking, the higher the
voltage and the impedance is the better sensitivity we get. Therefore, the test condition is for reference and IQC only, which is usually different to the reality.
Dimension: Diameter is from 2mm to 14mm, height is from 1.1mm to 6.7mm. 4*1.5, 6*2.2, 6*2.7, 6*5.0, 9.7mm are common spec.
Connecting way: pin, solder pad, SMD. Due to the diaphragm is easily damaged by high temp. during soldering, therefore we suggest
finishing the wires and test the microphone again by us to confirm the stability of quality.
We have special technician team, they are avaible by On-line talk, telephone, email etc . if any question about our microphone,
ask them freely. we promise that will help the customer solving the question in 1-2 working day.
Weifang Qinyi Electron Science and Technology Co., ltd
Add: No.6 Jinma Road, High-Tech Zone Weifang city Shandong ,China .
Name: Emily Zhang
Trade Manager : cn1517450540bvzc
Whatsapp:86-13361538912
Mob:86-13361538912
QQ: 1042744638
Website:
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| Omnidirectional Microphone |
Unidirectional Microphone |
Noise Cancelling Microphone | MEMS |
Send Inquiry to This Supplier
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