The AATC SPM2423HM4H-B is a silicon MEMS microphone designed for superior audio performance. Supreme Components International, an authorised distributor of AATC components, provides this microphone with guaranteed quality and reliability. This bottom-port microphone boasts a sensitivity of -42dB ±3dB and a high signal-to-noise ratio of 63dB, ensuring clear audio capture even in noisy environments. Its frequency response starts at 240Hz, making it suitable for a wide range of applications, including smartphones, tablets, wearables, and IoT devices. The compact design and robust construction make it easy to integrate into various products. Benefit from AATC's advanced MEMS technology and Supreme Components International's commitment to providing genuine electronic components.