Low Cost chime microphone for recording
Vs=3V ; RL=2.2KΩ
1.Technical Parameters :
|Description||Electret Condenser Microphone|
|Impedance||2.2KΩ±30% at 1Khz|
|Standard operation voltage||3V|
|Sensitivity reduction||Within -3dB at 1.5v|
|S/N||More than 58dB|
2. Dimensional Drawing:
3.Typical Frequency Response Curve :
4. Electrical Circuit :
Packaging & Shipping
1.Packaging: The microphones will be packed by small boxes(100pcs)----Middle box (1000pcs)-----Out Packing(10000pcs). or at the requirement of customers.
2.Shipping: According to your actual request. The Samples will be sent to you within 2-3 working days by DHL, UPS, TNT, FEDEX…....
3.Order Flow :
1.Are you a factory or trading company ?
Qinyi Reply :We are manufacturer with the export qualification.
2.Can you produce according to our samples?
Qinyi Reply: Yes, we can produce by your samples or technical drawings.
3.What is your terms of payment?
Qinyi Reply: T/T 30% as deposit, and 70% before delivery; L/C at sight.
4. Do you test all your goods before delivery?
Qinyi Reply: Qinyi Reply: Yes, we have quality control system for 100% test before delivery.
5. The Qualification of our factory :
Qinyi Reply: ISO9001;SGS;CE;RoHS;Reach.
6. Where is your company located ? How can I visit there ?
Qinyi Reply: Our company is located in Weifang City ,Shandong Province,China.
We would arrange all the reception if you take the airport in Qingdao or Weifang.
1. Customized design is available .OEM and ODM are welcome .
2. We can do the post processing by your demand-Electronic Wire,Shielding Wire,Terminal Wire.
3.We have a professional technology team for your timelyservices. We prepare the technical documents to you, also you can contact me by telephone, webcam, online chat (WhatsApp, skype…).
Weifang Qinyi Electron Science and Technology Co., ltd
Add: No.6 Jinma Road, High-Tech Zone Weifang city Shandong ,China .