Home > Products > Microphone unit > Helmet Earphone Bi-directional Electret Condenser Microphone ,ECM Unit
Helmet Earphone Bi-directional Electret Condenser Microphone ,ECM Unit
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Product Details
| Place of Origin | Guangdong, China | Brand Name | Rayking | |
| Model Number | BN9745L-453 | Type | Microphone |
Product Description
Product Specifications
MODEL
BN9745L-453
Electro Acoustic Specifications
Directional Characteristic: Noise Cancelling
Sensitivity:-45±3 dB
Operating Voltage:1.0~10V
Impedance:2.2(Max) KΩ
Current Consumption: <500μA
S/N Ratio ( A weighted network):58(Min) dB
Maximum Input Sound Pressure Level:110dB
MEASUREMENT CIRCUIT
TYPICAL FREQUNENCY RESPONSE
APPEARANCE DRAWING
Advantages:
1.Stable performance ,reliable quality and competitive price
2.Professional in R&D
3.Quality system certification
Package :
1.Sample in stock.
2.Goods package in box with foam and delivery by discout expresss
Shipping:
It depends on the quantity ,please email us for concret date.
1. The price depends on the quantity.We can offer you the best competitive price at the market with the same even better quality.
2.We can provide technology support
3. Top Quality+Reasonable Price+Responsible After Service=Successful & Win.
4. Help you design OEM&ODM or any your customized parameters and put into production.
5. Distributorship are offered for your unique design and some our current models
1.What about minimum order quantity?
A:10 piece,1000pcs for our regular package and delivery.
2.Can i have the free sample test?
A:yes,if you need ,we can provide the regular product for your test first.
3.How about the delivery time?
A:Generally,we use express to delivery since our product is very small,and for the exact shipment time,pls email us.
4.While supplying the same products, why is the quotation of other manufacturers lower?
A:The products we have are high-end ones with good quality, so the price is relatively high.
5.How will you control product quality?Are your products environmental ? Could you please provide ROHS report?
A: We strictly control every detail of production ,and every product is inspected byour QC team before delivery.Our products are environmental and we could provide ROHS report
Pls kindly visit our wesite for more products
I am looking forward to your inquiry.
Pls contact:
Krystal Yang
Phone & whatsApp: +86 13925580095
Skype: yangjiali
Tel: +86 769-27382210 27382782
Fax: +0769-27200960 26386900
Contact Us
- Dongguan Rayking Electronic Co., Ltd.
- Contact nameCandice Tan Chat Now
- Phone86-769-27382210
- AddressDongguan road, Dongguan city, Dongguan, Guangdong
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