The Motorola PMMN4131B IMPRES RM730 Small Remote Speaker Microphone (IP68) is a professional-grade speaker microphone built for demanding two-way radio environments. Highlights include iMPRES™ Intelligent Audio and iP68 Submersible.
Key Features
- IMPRES™ Intelligent Audio: Automatically balances audio gain levels for optimized voice clarity across varying ambient noise conditions.
- IP68 Submersible: Completely dust-tight and waterproof — fully operational after immersion in up to 2 meters of water for 4 hours.
- Windporting Technology: Channels air away from the microphone core to eliminate wind roar distortion and prevent water logging during heavy rain.
- Orange Emergency Button: Prominent, high-visibility emergency button on top of the housing for rapid emergency signaling without reaching for the radio.
- 360-Degree Swivel Clip: Heavy-duty rotating garment clip anchors the microphone flat against tactical vests, uniform straps, or epaulettes.
- 3.5mm Non-Threaded Audio Jack: Accepts standard 3.5mm mono earpiece plugs for silent, confidential receive-only monitoring.
Specifications
| Product Type | Small Remote Speaker Microphone (RSM) |
| Audio Technology | IMPRES™ Intelligent Audio, Windporting |
| IP Rating | IP68 (2m / 4 hours) |
| Audio Output | 99 Phon |
| Audio Jack | 3.5mm Non-Threaded Mono |
| Emergency Button | Yes — Orange, Top-Mounted |
| Clip Style | 360-Degree Swivel Clip |
| Dimensions | 2.75 × 2.16 × 0.86 in |
| Weight | 0.18 lbs |
| Color | Black |
| Country of Origin | Malaysia |
| R7, R7a | Motorola R Series |
Compatibility: engineered to work with PMMN4131B.
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