|The Contacta STS-SU1-G is the staff side microphone unit complete with built in loudspeaker that forms part of the speech transfer system kits.
The microphone is a semi-rigid stem to allow it to be adjusted for optimum voice pickup and the base unit includes a mute switch to ensure privacy when required.
The 'G' variant is grey in colour and is supplied with all grey systems. It is also available in black (STS-SU1-B) and bespoke colours can be manufactured on request at an additional cost.
This is the perfect replacement part for a defective unit or it can be ordered as a stand alone item if you're trying to build up a bespoke kit to suit your individual needs.
For those that need more specifications here they are:
Loudspeaker has an RMS rating of 5w with an impedance of 4 ohms. The SPL output is 85dB 1W/1M
Microphone has a frequency response of 150Hz to 10300Hz making it perfect for speech reproduction. The cardioid pickup pattern helps reduce background noise ingress.