Hytera EHM04-A Conventional Earpiece with in-line and microphone 2 Pin

The Hytera EHM04-A is a conventional wired earpiece with an in-line PTT button and microphone, designed for professional two-way radio users who require a discreet, hands-free monitoring solution during daily operations. Built for Hytera 2-pin connector radios, it delivers clear audio reproduction through a 32-ohm speaker rated at up to 30 mW, while the sensitive in-line microphone ensures reliable voice pickup in demanding environments. Its lightweight 28-gram construction and broad operating temperature range make it well suited for extended wear across a wide range of professional settings, from retail and hospitality to security and public safety support roles.

Key features & benefits

• In-Line PTT and Microphone — An integrated push-to-talk key and microphone on the cable allow the user to transmit without reaching for the radio, keeping hands free for other tasks.
• Calibrated Speaker Performance — The speaker delivers a rated output of 20 mW with a maximum of 30 mW at 32 Ω impedance, providing clear, consistent audio reproduction at a sensitivity of 102 ±4 dB at 1 kHz.
• Precise Microphone Sensitivity — The microphone is specified at -42 ±3 dB at 1 kHz, ensuring accurate voice capture and intelligible transmissions even in moderately noisy environments.
• Wide Operating Temperature Range — Rated for operation from -20 °C to 60 °C and storage from -40 °C to 85 °C, the EHM04-A maintains reliable performance across a broad range of environmental conditions.
• Lightweight and Unobtrusive Design — At approximately 28 grams, the earpiece is comfortable for all-day wear without adding noticeable weight or fatigue to the user.
• 2-Pin Connector — The standard 2-pin connector provides a secure, straightforward connection to compatible Hytera portable radios without the need for adapters.