This RSM features IMPRES technology, providing superior audio by suppressing ambient noise, improving voice intelligibility and amplifying quiet transmissions.

Communicate clearly in difficult weather with this Remote Speaker Microphone featuring Windporting technology. Windporting eliminates the whining and howling sounds of wind blowing across your remote speaker microphone while preventing water from clogging the microphone, resulting in clearer transmissions.
Summon help precisely when it is needed with this RSM featuring an emergency alarm button.
Featuring intrinsic safety approvals to TIA4950, this RSM can be used in hazardous environments.
This RSM also features a 3.5 mm audio jack that allows you to connect a receive-only earpiece for discreet communication.