A2B Mic

A2B Microphone

Kepo vehicle-mounted microphone conforms to GBT 14198-2012 Microphone General Specification and ITU-TP.1110 Vehicle Communication Standard (ITU Telecommunication Standardization Department). The acoustic performance test is carried out in strict accordance with GBT12060.4-2012 Sound System Equipment Part 4 Microphone Measurement Method.

Technical Advantages:
· Adopting the A2B method, the product has excellent performance and low delay, which can reach less than 50us.
· Take protective measures such as shockproof and windproof for the microphone to ensure product performance.
· Professional spectrum analysis is available.
· Joint development and discussion of acoustic simulation, hardware circuits, algorithms, etc. can be carried out.
· Customized design is available.
· Fully automated production line, MES traceability system.
· With professional anechoic chamber and testing equipment such as B&K, KLIPPEL and several complete acoustic testing systems.
Item Specification
Directivity Omni directional
Sensitivity -26±2dB, 0dB=1V/Pa,1KHz,8V
Operation Voltage 8±10% V.D.C
Max. Current Consumption 25mA, at 8V
Max Input Sound Level 120dB, at 1KHz, 8V
Distortion <1.0%, @94dBSPL@1KHz;<3%, @106dBSPL@1KHz
Signal to Noise Ratio >65dB, A-weighted

Product Diagram

A2B Microphone Frequency Response

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Simple FAQs

We specialize in HMI components and parts, Modules, and intelligent products for the AI and IoT industries, and we provide comprehensive services such as designing, producing, marketing, and servicing in these fields which will create new products in response to client demand.

KEPO owns three factories in Yutang Industrial Zone (main factory), Hongshu Industrial Zone, and Gaoqian Industrial Zone, with a total plant area of around 30000 m2 and more than 600 personnel. Yes. We are a trading and manufacturing company that can export goods on our own.

The entire assembly line is inspected by a professional machine.
The final product and its packaging are inspected.

Trade terms include FOB &CIF, C&F, and so on. Commonly used payment terms: T/T, 30% as a deposit, 70% before shipping.

To be honest, it depends on the order amount and the season of the year. Delivery usually takes between 30-35 days.

Yes, existing samples, confirmed research and development with buyers and samples under development and confirmed samples of bulk goods can provide for free. However, the buyer is responsible for the express cost.

Shipping methods include EMS, DHL, FedEx, UPS, TNT, China Post, and others.

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