JL Audio
JL Audio MMR-20-BE Wired Marine Remote for MediaMaster 010-03131-00 (99921)
JL Audio MMR-20-BE Wired Marine Remote for MediaMaster 010-03131-00 (99921)
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JL Audio MMR-20-BE is a weather-resistant wired remote controller engineered to extend control of JL Audio MediaMaster® source units to a secondary helm, cabin, or cockpit location. Its IP67-rated construction and backlit controls are designed specifically for marine environments where reliable tactile command of source, volume, and playback is needed away from the main head unit.
The MMR-20-BE connects via a standard JL Audio remote cable (sold separately) and allows key functions such as power, source select, volume up/down, play/pause, track skip, mute, and preset/favorite navigation. Large, easy-to-use buttons and LED source indicators make nighttime and daylight operation intuitive, while expandability lets you add up to three remotes to a single MediaMaster system with the appropriate splitter.
Key Features
- Weather-resistant wired remote controller for JL Audio MediaMaster marine source units
- IP67 water resistance for harsh marine conditions
- Backlit controls with LED source indicators for visibility day or night
- Primary control functions: power, source select, volume up/down, mute, play/pause, track/favorite navigation
- Expandable — up to three remotes per MediaMaster using splitter cables (sold separately)
Technical Specifications
| Model | MMR-20-BE |
| Part Number | 010-03131-00 |
| Connection Type | Wired remote interface (JL Audio remote cable required, sold separately) |
| Water Resistance | IP67 marine-rated weather resistance |
| Control Functions | Power, source select, volume, mute, track/favorite navigation, play/pause |
Ideal Applications
- Remote control for marine audio systems using JL Audio MediaMaster source units
- Secondary helm or cockpit control station
- Multi-location audio command in boats or powersports vehicles
What’s Included
- JL Audio MMR-20-BE wired remote controller
- Mounting bracket, gasket, hardware, and instructions (cable not included)
Why Buy From MCOR Automotive
- Authorized JL Audio dealer with direct access to current marine spec data
- Expert system design and integration support
- Application-specific guidance on remote placement and cable lengths
- 20+ years OEM-plus 12-volt experience
Fitment & Installation Help
Need help confirming fitment or installation parts? Use our Fit Guide or contact us through the chat button before ordering.
Authorized Retailer & Warranty
MCOR Automotive is an authorized JL Audio / Garmin retailer. Products purchased from MCOR include applicable manufacturer warranty coverage when installed and used according to manufacturer guidelines.
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