Outdoor Building Intercom System

Description: A global manufacturer of outdoor intercom systems needed a microphone solution capable of delivering clear voice capture despite exposure to rain, dust, and varying temperatures. Their existing microphone struggled to meet environmental and performance requirements, creating reliability concerns for long-term field use.

Why PUI Audio: The customer had difficulty finding a compact, waterproof microphone that could fit their PCB layout while maintaining high audio clarity. PUI Audio worked closely with the engineering team to identify a drop-in replacement that not only met their dimensional constraints but also delivered higher acoustic performance and robust environmental protection. Our ability to provide a water-resistant, board-compatible, and reliable MEMS microphone made PUI Audio the preferred partner.

Product: AMM-2742-T-WP-R Dimensions: 2.75 × 1.85 × 1.00 mm The PUI Audio AMM-2742-T-WP-R is a compact, top-port, analog-output omni-directional MEMS microphone featuring: -42 dBV nominal sensitivity 59 dB(A) signal-to-noise ratio IP57 rating, ensuring protection against dust and water exposure This microphone enabled the intercom system to achieve clearer communication, improved environmental durability, and higher long-term reliability.