
Motorola PMMN4094A IMPRES ATEX Noise Cancelling RSM
Working in hazardous, explosive environments requires communication equipment you can trust without hesitation. The Motorola PMMN4094A IMPRES ATEX Remote Speaker Microphone (RSM) is engineered specifically for these extreme conditions, ensuring your voice is heard loud and clear even in the loudest industrial settings. Whether you are operating on an oil rig, in a chemical plant, or managing emergency responses, this heavy-duty RSM delivers uncompromising safety and audio clarity.
Why choose the Motorola PMMN4094A for hazardous environments?
This remote speaker microphone is purpose-built for ATEX environments, meaning it meets stringent safety standards for use in potentially explosive atmospheres. It features an IP67 waterproof housing, making it completely dust-tight and capable of withstanding water immersion. Additionally, the active noise-cancelling technology filters out heavy background machinery noise, ensuring your critical messages get through the first time.
What are the key features of this ATEX speaker mic?
Designed with user safety and convenience in mind, the PMMN4094A includes large front and side Push-To-Talk (PTT) buttons that are easy to operate even while wearing heavy protective gloves. It also features a dedicated orange emergency button for instant distress signaling. For expanded functionality, it includes a 3.5mm earpiece connector and a built-in Nexus socket, making it fully compatible with specialized third-party accessories like the 3M PELTOR ATEX Headset.
Is this RSM compatible with my Motorola radio?
Yes, this IMPRES audio accessory is designed to work seamlessly with a range of Motorola TETRA and ATEX radios. It is compatible with models such as the MTM5400, MTM5500, MTM800e, MTH800, and MTM700. If you are upgrading your fleet, it pairs perfectly with the Motorola MTP8500Ex and the Motorola MTP8550Ex ATEX portable radios.
What are the technical specifications?
- Protection Rating: IP67 (Waterproof and Dustproof)
- Audio Technology: IMPRES with Active Noise Cancelling
- Connections: 3.5mm audio jack and built-in Nexus socket
- Safety Features: Dedicated orange emergency button
- Weight: 0.75 kg


