RTS SPK-300 Speaker Box

The RTS SPK-300 is a portable speaker user station designed for the TW Intercom System, providing clear communication over a multi-unit conference bus. It features a microphone preamplifier with a limiter, an electronic microphone switch, a bilateral current source line driver, a listen volume control, a headphone amplifier, and a speaker amplifier with a switch. The channel selector allows users to choose their communication channel, while the built-in voltage regulator ensures stable operation by drawing power from channel one. It supports both centrally wired and distributed interconnection... Read More