Alpha TSMB3W-8 Qwikbus Speaker/Mic Module-White

Qwikbus Speaker/Mic Module-White Used with Qwikbus Type S.T.R. 2 / 4 Wire 'Bus' Stations Only and Modular Style Panel(S). The TSMB3W-8 speaker/microphone is designed to be Alpha Communications® S.T.R.™ QwikBUS™ series door entry stations.

The 2-wire or 4-wire (loop) apartment handset intercom stations, open voice and/or video monitor handsets style. module feature a weather-resistant speaker, long-life electret condenser microphone, illuminated dry-contact low voltage light push button plug-in connector for easy wiring.