Motorola Submersible Remote Speaker Microphone – IP57 (PMMN4040A)

The Motorola Submersible Remote Speaker Microphone – IP57 (PMMN4040A) is a rugged, professional audio accessory designed for use with compatible Motorola portable two-way radios. It delivers clear, high-volume audio and reliable voice transmission while offering enhanced protection against water and dust ingress.

With an IP57 ingress protection rating, this remote speaker microphone is suitable for environments where exposure to rain, splashing water, or temporary immersion is likely, making it ideal for outdoor and frontline operations.

Key Product Features

• Submersible Design: Rated IP57 for protection against dust and temporary water immersion.
• High-Volume Speaker: Delivers loud, clear audio in challenging environments.
• Integrated Microphone & PTT: Supports clear voice transmission with push-to-talk control.
• Rugged Construction: Built for demanding professional use.
• Genuine Motorola Accessory: Manufactured to Motorola Solutions quality standards.

What’s Included

• Motorola PMMN4040A submersible remote speaker microphone

Installation & Usage

This remote speaker microphone is designed for straightforward connection:

• Attach the microphone securely to a compatible Motorola portable radio or approved audio adapter.
• Use the integrated push-to-talk button for voice communication.

Usage Tip: Ensure the accessory connector is fully secured to maintain water resistance.

Technical Specifications

• Accessory Type: Remote speaker microphone (RSM)
• Ingress Protection: IP57
• Design: Submersible
• Application: Professional two-way radio communications
• Connector: Motorola accessory interface

Key Capabilities

• Provides reliable audio in wet and dusty environments
• Supports clear push-to-talk communication
• Withstands harsh outdoor and operational conditions
• Designed for consistent daily professional use

Compatibility

This remote speaker microphone is compatible with:

• Motorola portable radios supporting external speaker microphones
• Compatible Motorola audio adapters where required

Compatibility Note: Radio model and connector requirements may vary by configuration.

Ideal Applications

• Public Safety: Reliable audio in wet or outdoor conditions.
• Security & Guarding: Clear communications during patrols.
• Utilities & Infrastructure: Field operations exposed to the elements.
• Industrial Operations: Durable audio accessory for harsh environments.

Product Information

• Product Category: Two-Way Radio Audio Accessories
• Manufacturer: Motorola Solutions
• Model: Submersible Remote Speaker Microphone
• Product Code: PMMN4040A
• Product Type: Remote Speaker Microphone
• Product Status: Genuine Motorola Solutions Accessory