DMS2740-01

RYD DMS2740-01 Φ27mm Full-Range Earpiece Driver for Medical Devices and Telecommunications. This Φ27×7.4mm receiver with front cover delivers 120±3dB SPL at 40±15%Ω impedance (3mW, 0.01m average at 0.6/0.8/1.0/1.2kHz). Rated frequency range 200Hz–20kHz with Mylar cone and ABS housing. Rated power 0.03W (max 0.1W), weight 5±5%g. Operating temperature -20℃ to +50℃, storage -25℃ to +60℃. The included front cover protects the diaphragm during assembly and use. Extended high-frequency response to 20kHz supports detailed audio reproduction in medical auscultation devices, telehealth headsets, dispatch communication radios, and professional earpiece applications. Manufactured under RYD ISO9001 quality system.