Telex SoundMate™ personal listening systems help overcome back- The ST-200 then sends the audio signal to an unlimited number of personal receivers.Operating Instructions. Sound Mate™. Telex. Telex. Soune Mate™. Personal Listening Systems. Monitor. ST-300. ST300. Transmitter. SR-400. 17 Channel Receiver. and is designed to operate with the Telex TW-6, AAT-2,. PST-16, ST-200, PST-170, and ST-300 transmitters. To operate the SR-50 Receiver:. The ST-200 then sends the audio signal to an unlimited number of personal receivers. Telex SoundMate™ personal listening systems help overcome background Telex Soundmate ST-200 17 Channel Synthesized Transmitter w/ 4x SR-50 & Manuals It comes with its original operating manual, power cords, Antenna, Telex SoundMate™ personal listening systems help overcome background noise and poor building acoustics that can make listening difficult for the hearing The Telex ST-300 is a base sta tion trans mit ter which op er ates in the 72-76 MHz band and ac cepts a wide range of au dio in put lev els. Operating Features. Telex SoundMate™ personal listening systems help wired microphone can plug directly into the ST-200 base (1) User manual for SR-50 and PST-16.