3mm omnidirectional microphone capsule with dual-capacitor interference resistance and custom Korean mic core, ideal for Bluetooth earphones and compact audio devices. Also available with pre-attached leads upon request.
The ECM-B3015AL-42 is a 3mm omnidirectional microphone capsule designed for compact devices like Bluetooth earphones. Built with a custom Korean mic core and dual-capacitor interference resistance, it delivers clear and stable audio performance even in challenging environments.
The microphone features a smooth and balanced frequency response, making it ideal for various audio applications. Its premium Japanese TOA diaphragm ensures reliable operation across extreme temperatures (-40℃ to +85℃).
For added convenience, a version with pre-attached leads is available (ECM-B3015AL-42-L25). If additional customizations, such as soldering, are required, we can also accommodate specific customer needs.
Miniature Electret Microphone for Bluetooth Earphones
Our production meets ISO 9001:2015 and ISO 14001:2015 standards and is tailored for automotive applications under the IATF 16949:2016 standard, ensuring comprehensive quality management. Additionally, our products comply with ROHS, CE, and FCC requirements.
Conducting sampling inspections of incoming materials to ensure compliance with standard requirements.
Performing inspection audits to ensure the stability and control of the entire manufacturing process.
Conducting pre-shipment inspections to ensure that products meet established quality standards.
Testing of background noise, sensitivity, frequency response curve, and directionality indicators.
Verification of the impact of different circuits, structural dimensions, materials, and processes on indicators.
Reliability testing at both the new product design stage and the mass production regular stage.
Utilizing fully automated production lines to ensure high efficiency and consistency.
Equipped with state-of-the-art facilities, including a 10,000-level dust-free workshop.
Employing a rigorous 21-step process to guarantee product stability.
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