The ECM-EM212U-51 is a 9.7 × 9 mm unidirectional microphone capsule with a sensitivity of -51dB±2 and a signal-to-noise ratio of 62dB. It is designed for use in respirator masks.
Our 9790 noise-canceling microphone head features a Panasonic JFET and a perforated housing design. The cardioid directional mic effectively reduces wind noise.
9mm Electret Microphone Capsule for Respirator Mask
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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