Intercom
HSC batteryless telephones are used as sound powered and common battery telephones for communication on vessels.
They are loud and clear with or without external power. Can be used with 24V DC power to communicate. Will change to sound powered call automatically when power down.
Sound Powered Telephone System
Sound Powered Telephone System
Sound Powered Telephone System for headset connection
Sound Powered Telephone System - water proof
Sound Powered Telephone System - EX type