Motorola PMMN4076 Remote Speaker Microphone (RSM)
Remote Speaker Mic • IP57 Rated • Windporting Audio • 3.5 mm Listen-Only Jack • For MOTOTRBO Radios
The Motorola PMMN4076 Remote Speaker Microphone gives your team loud, clear audio without taking the radio off the belt. IP57 environmental sealing, a windporting mic design that sheds water and cuts wind noise, a 3.5 mm listen-only jack, and a rugged 360° swivel clip make it built for everyday abuse and intelligible voice in tough conditions — ideal for construction, utilities, manufacturing, warehousing, security, and event operations. Browse more business two-way radios and accessories to complete your fleet.
Compatible Radios
The PMMN4076 is designed for select Motorola MOTOTRBO portable radios that support this RSM. Because compatibility varies by model and configuration, send us your exact radio model and we'll confirm fast. Call 1-800-984-1534 or contact our radio experts and we'll verify the PMMN4076 fits your radio before you buy.
Key Features
IP57 Sealed
Rated for dust resistance and water immersion protection under test conditions for rugged field use.
Windporting Audio
Drains water away from the mic port and reduces wind noise so your voice gets through clearly.
3.5 mm Listen-Only Jack
Add a discreet earpiece for better hearing in loud areas or guest-facing environments.
Rugged Build
Heavy-duty 360° swivel clip and a coiled, strain-relieved cable stand up to daily abuse.
Frequently Asked Questions About the Motorola PMMN4076 Remote Speaker Microphone (RSM), IP57,
• Will the PMMN4076 work with my radio?
It is designed for select Motorola MOTOTRBO portables. Share your exact radio model (and firmware if available) and we will verify compatibility immediately. Call 1-800-984-1534 or contact our radio experts.
• Does windporting really help in the rain and wind?
Yes. Windporting drains water away from the mic port and reduces wind noise so your voice gets through in tough conditions.
• Can I add a listen-only earpiece?
Yes. Plug your earpiece into the integrated 3.5 mm jack for discreet monitoring in noisy or guest-facing environments.




