Motorola PMMN4075 Remote Speaker Microphone (RSM), IP57,
Motorola PMMN4075 Remote Speaker Microphone (RSM), IP57, is backordered and will ship as soon as it is back in stock.
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Motorola PMMN4075 Remote Speaker Microphone (RSM) – IP57, Windporting
The Motorola PMMN4075 Remote Speaker Microphone gives your team loud, intelligible audio without pulling the radio off the belt. With IP57 environmental sealing, windporting that sheds water and cuts wind noise, a 3.5 mm listen-only jack, and a rugged swivel clip, it is built for clear voice in the real world.
Ideal for security, construction, utilities, warehousing, manufacturing, and event operations where weather, noise, and fast movement make hands-up communication a must.
Key Benefits
- Windporting mic design reduces wind noise and helps prevent water from blocking the audio path.
- IP57 rated for dust resistance and water immersion under test conditions.
- Loud, clear audio optimized for voice intelligibility in noisy environments.
- 3.5 mm listen-only jack for discreet earpieces and improved hearing in loud areas.
- PTT on the mic so you keep the radio holstered and your eyes on the job.
- Rugged swivel clip for secure, adjustable mounting on uniforms, vests, or jackets.
- Heavy-duty coiled cable with strain relief for daily field use.
Quick Specs
| Part Number | PMMN4075 |
|---|---|
| Type | Wired Remote Speaker Microphone |
| Ingress Protection | IP57 |
| Noise Features | Windporting |
| Audio Jack | 3.5 mm listen-only |
| Controls | Push-to-Talk (additional functions may be radio dependent) |
| Clip | 360° swivel, heavy-duty |
| Cable | Coiled, strain-relieved |
| Compatibility | Select Motorola MOTOTRBO portable radios that support PMMN4075. Not sure if it fits your model? Contact us with your radio model and we will confirm fast. |
Who It Is For
Teams that operate outdoors or around machinery and need rugged, weather-resistant, hands-up communication: construction, utilities, security, manufacturing, warehousing, transportation and logistics, and large event venues.
What’s In The Box
- Motorola PMMN4075 Remote Speaker Microphone
- User documentation
FAQ
Will PMMN4075 work with my radio?
It is designed for specific Motorola MOTOTRBO portables. Share your radio model and firmware version and we will verify compatibility immediately.
Does windporting really help?
Yes. It helps drain water away from the mic port and reduces wind noise so your voice cuts through in bad weather.
Can I use an earpiece with it?
Yes. Plug a listen-only earpiece into the integrated 3.5 mm jack for privacy and improved hearing in noisy areas.
Need Help Choosing the Right RSM?
Tell us your radio model, environment noise level, and how your team wears their gear. We will match the best RSM, earpiece, or Bluetooth option to your workflow and budget.