The ECM-B4015UP38-YL is a 4 × 1.5 mm unidirectional microphone capsule with a sensitivity of -38dB±2 and a signal-to-noise ratio of 60dB. It is designed for lapel microphones.
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, enhancing its anti-interference capabilities. The 2.8mm pin length ensures clear audio and dependable performance across diverse applications.
Test conditions: RL = 2.2kΩ, Vs = 2V, C = 1μF
The response extends from 100Hz to 20kHz, with a steady rise across the spectrum that enhances vocal clarity and presence. Around 10kHz, an additional lift further improves articulation of higher frequencies, making it well-suited for speech capture. The response plateaus briefly before gradually rolling off after 16kHz.
Capsule measures 4mm in diameter and 1.5mm in height. The front features a dustproof mesh, and the rear includes an acoustic port. Equipped with 2.8mm pins for PCB insertion in compact lavalier microphone assemblies, with 1.2mm spacing.
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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