JL Audio MMR-40 Marine Audio Remote
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Technical specifications
Technical specifications
| Source type | Audio remote control |
| NMEA 2000 compatible | Oui |
| IP rating | IP66 |
| Color | Black |
| Compatible series | JL Audio MediaMaster |
| Control interface type | Buttons, Rotary button |
| Product dimensions | 118 mm (L) x 95 mm (H) x 64 mm (D) |
| Display type | Color LCD |
| Mounting Diameter | 95 mm (width) x 80 mm (height) |
| Mounting template included | Yes |
| Mounting type | Flush-mounted |
| NMEA 2000 connector type | Micro-C |
| Nmea2000 Network Power Supply Voltage | 12 |
| Operating voltage | 12 |
| Package contents | MMR-40 network controller, mounting gasket, mounting template, 4 mounting screws, sunshade cover, user manual |
| Sun cover included | Yes |
| Weight | 0.60 |
| Wired input | USB-A |
| Wired network | NMEA 2000 |
Detailed description
Detailed description
The JL Audio MMR-40 marine audio remote is a NMEA 2000® network controller designed to provide complete auxiliary control of MediaMaster® source units. It does not function as a standalone receiver and requires a connection to a MediaMaster® unit to operate. This device allows centralized management of your JL Audio audio system’s functions from a secondary location on the boat.
Display and Controls
The MMR-40 features a 2.8-inch high-brightness color LCD screen with a resolution of 320 x 240 pixels. It can replicate all display information from the connected MediaMaster® receiver. Controls include eight push buttons and a three-way rotary knob, providing access to all MediaMaster® functions. Independent settings for day/night display themes and lighting controls are available for optimal visibility in varying light conditions.
Connectivity and Installation
Certified NMEA 2000® (LEN 4) with a Micro-C connector, the MMR-40 can connect directly to the vessel’s NMEA 2000® network or via JL Audio network power cables (sold separately) to simulate an isolated network. A USB connector is also present for future software updates. For installation, a mounting template and required screws are included. The remote is designed to be mounted in a fiberglass panel, with front panel dimensions of 11.9 cm (4-11/16") wide, 9.5 cm (3-3/4") high, and 2.5 cm (1") deep. Cutout dimensions are 9.3 cm (3-11/16") wide, 7.8 cm (3-1/16") high, and 5.1 cm (2") deep.
Marine Design
The JL Audio MMR-40 features a rugged design with IP66 waterproof rating. It is built to withstand marine environments, including salt, spray, sun exposure, and impacts. A sun protection cover is provided for added protection when the device is not in use. The remote’s power is fully derived from the host MediaMaster® source unit.
Expert opinion
Expert opinion
« MMR-40: MediaMaster control extension on your NMEA 2000 network »
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