Description
Motorola PMMN4158C WM800 Wireless Remote Speaker Microphone | IP68 | UL Division 2
Mission-critical wireless RSM with 4-mic Adaptive Audio Engine for APX and SRX series portables.
The Motorola PMMN4158C (WM800) is a next-generation mission-critical Wireless Remote Speaker Microphone (RSM) designed for extreme environments and high-risk operations. It delivers superior audio clarity through its Adaptive Audio Engine and is built to an IP68 rating with UL Division 2 (HazLoc) compliance. The PMMN4158C is the updated version of the PMMN4158B, PMMN4158A, and PMMN4158.
The WM800 features a multi-mic arrangement of four HDR microphones that intelligently track the user's voice and filter surrounding noise. It includes dual programmable buttons, a dedicated task light button, volume rocker, and a ViQi button (for APX NEXT models). The rechargeable battery is user-replaceable, supporting multi-shift usage.
Key Features & Benefits
IP68 & UL Division 2 (HazLoc) Rated: Fully submersible and certified for use in hazardous classified locations.
Adaptive Audio Engine (4-Mic Array): Four HDR microphones with sophisticated algorithms for superior voice clarity and ambient noise suppression in extreme environments.
Integrated Controls: Dedicated task light button, emergency button, volume rocker, and two programmable buttons for enhanced operational efficiency.
APX NEXT ViQi Button: Dedicated ViQi button (on APX NEXT models) for voice commands, enhancing officer safety and access to intelligence.
User-Replaceable Battery: Supports continuous operation and simplified logistics for multi-shift teams.
Flexible Charging: Charges via included USB-C cable or optional dual-unit charger.
Long-Range Wireless: Dependable wireless connectivity to compatible APX and SRX series radios.
Specifications
| Attribute |
Details |
| Brand |
Motorola |
| Model / SKU |
PMMN4158C (WM800; replaces PMMN4158 / PMMN4158A / PMMN4158B) |
| Product Type |
Wireless Remote Speaker Microphone (RSM) |
| IP Rating |
IP68 |
| Hazardous Location Rating |
UL Division 2 (HazLoc) |
| Microphone Array |
4 HDR Microphones (Adaptive Audio Engine) |
| Charging |
USB-C (included) or optional dual-unit charger |
| Battery |
User-Replaceable |
| Country of Origin |
Malaysia |
Compatibility
| Model |
Series |
| APX900, APX1500ENH, APX2500ENH, APX4500ENH, APX5000 |
Motorola APX Series |
| APX 6000/5000 Series, APX 6500/5500 Series, APX 8000 Series, APX8500 |
Motorola APX Series |
| APX N30, APX N50, APX N70, APX N70XE, APX NEXT INTL |
Motorola APX NEXT Series |
| SRX2200 |
Motorola SRX Series |
What's Included
| Description |
SKU/Model |
Status |
| WM800 Wireless Remote Speaker Microphone |
PMMN4158C |
Included |
| USB-C Charging Cable |
— |
Included |
| Compatible Portable Radio (e.g. APX5000, SRX2200) |
— |
Sold Separately |
Frequently Asked Questions
What is the difference between the PMMN4158C, PMMN4158B, PMMN4158A, and PMMN4158?
The PMMN4158C is the current factory revision of the WM800 Wireless RSM. All four part numbers refer to the same product with identical specifications and compatibility. The letter suffix indicates a factory revision.
What does UL Division 2 (HazLoc) certification mean?
UL Division 2 (Hazardous Locations) certification means the PMMN4158C is approved for use in environments where flammable gases, vapors, or liquids may be present under abnormal conditions. This makes it suitable for oil and gas, chemical, and other classified hazardous work sites.
Is the PMMN4158C waterproof?
Yes. The PMMN4158C carries an IP68 rating, making it fully dustproof and submersible beyond 1 meter of water. Refer to Motorola's published IP68 specifications for exact depth and duration ratings.
Which Motorola radios are compatible with the PMMN4158C?
The PMMN4158C is compatible with Motorola APX series portables (APX900, APX1500ENH, APX2500ENH, APX4500ENH, APX5000, APX 6000/5000, APX 6500/5500, APX 8000 Series, APX8500, APX N30, APX N50, APX N70, APX N70XE, APX NEXT INTL) and the SRX2200.
Warranty
1-year manufacturer's warranty.
