The ECM-B4015UP38-YL is a 4 x 1.5 mm unidirectional electret mic capsule with 2 pins, -38dB±2 sensitivity, and 60dB SNR, perfect for headset applications.
Free (std. models) + shipping
From 200 pcs (1st order only)
5,000 pcs (mixed models allowed)
Our 4015 unidirectional pin microphone core features dual capacitors for effective anti-interference capabilities and a pin length of 2.8mm, ensuring clear audio and reliable performance in various applications.
Test conditions: RL = 2.2kΩ, Vs = 2V, C = 1μF
Spanning from 100Hz to 20kHz, the response shows a strong upward slope that supports long-range pickup and intelligibility in directional microphone systems. A notable boost near 10kHz enhances high-frequency detail, beneficial for isolating target sound sources. The curve remains elevated before a gentle roll-off starting around 16kHz.
Capsule diameter is 4mm with a height of 1.5mm. A dustproof mesh covers the front, and an acoustic port is located on the back. It features 2.8mm pins for stable connection, optimized for directional microphone modules.
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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