Noise Cancelling Microphone Typical Frequency Response Curve:
Specification of Electret Condenser Microphone (E.C.M).
Within –3dB at 3.0V→1.5V
Standard Operation Voltage
56dB(Minimum)(A-Curve at 1KHz,Pa)
Packaging & Shipping
1, Payment : T/T, L/C, Western union,money gram,paypal.
2, Shipping: door to door(UPS/DHL/FEDEX/TNT/by air).
3, Delivery time: 7-9 working days depending on your order quantity.
4, Free sample can be provided for your testing.
5, Sample time: 3-5days after you confirmed the order.
Weifang Qinyi Electron Science and Technology Co., Ltd is one of the world's leading manufacturers of Acoustic Components and E-cigarette Sensors. Our company established in the year of 2000 and the factory occupies 200 acres.
Professional R&D team which possesses strong technical strength and rich practical experiences on the researching and designing of electronics and we will try our best to satisfy customer’s requirements.
Fully Automatic Production Line in the industry through introducing of the new equipments such as automatic assembly machine, automatic edge banding machine, automatic testing machine, etc., Production methods are fast becoming highly mechanized.
With mature R&D team, advanced production technology, strict quality control system as well as the perfect after sale service.
WHY CHOOSE US:
1. We are experienced manufacturer in OEM&ODM consumer electronics for many years.
2. The chip we used are all from qualified manufacturers and all our products are with CE/ ROHS /ISO REACH certificates.
3. Professional R&D team and salesmen, excellent service and quick response.
4. Compay certificates.
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