MediaMaster® NMEA 2000® Volume Controller

MediaMaster® NMEA 2000® network wired remote volume controller


The MMR-5N2K is a wired remote designed to add auxiliary volume control to compatible MediaMaster® source units.

Outfitted with a NMEA 2000® Micro-C connector, the MMR-5N2K connects to a host MediaMaster® source unit in two ways:

  • Direct interface with a vessel’s NMEA 2000® network using applicable NMEA 2000® cables and connectors (not included)
  • Direct connection to single MediaMaster® source unit using MMC-PN2K powered network cables (sold separately) to simulate an isolated, stand-alone NMEA 2000® network

Engineered for real-world marine (and many outdoor) applications, its weatherproof (IPX7 rated) design is built to withstand the harshest environments.

The MMR-5N2K includes the following features:

  • NMEA 2000® Certified (LEN 2)
  • Weatherproof design (IPX7 rated) for real marine duty
  • Large rotary design for easy adjustments, especially while in motion
  • One knob simultaneously adjusts all audio zones
  • Simple, push-button audio mute/unmute control
  • Integrated status LED ring with programmable brightness
  • Front-mounted design requires just a single 1.5-inch (38 mm) hole for installation
  • Automatically recognizes which MediaMaster® source unit model is connected

The MMR-5N2K is compatible with these MediaMaster® source units:

  • MM100s-BE
  • MM100s
  • MM80-HR
  • MM50

Note: The MMR-5N2K should only be used with a single MediaMaster® source unit, connected via a NMEA 2000® network or MMC-PN2K powered network cables (sold separately). The level control mode for each audio zone of the host source unit must be set to Relative or Variable. When connected, all audio zones will adjust simultaneously. Functionality of the MMR-5N2K is solely derived from the host MediaMaster® source unit.

Width (A) 2.35 in / 60 mm
Frontal Protrusion (B) 1.11 in / 28 mm
Mounting Depth (C) 0.93 in / 24 mm
Mounting Hole Diameter (D) 1.5 in / 38 mm
Cable Length (E) 10.5 in / 267 mm

Marine Materials / Testing

The design of marine products requires extensive materials testing to achieve reliability and longevity.

Detailed Information:
Building serious marine products requires a real commitment to environmental testing and materials specification. To this end, JL Audio has invested in Ultraviolet testing chambers (to simulate years of sun exposure) and Salt Fog chambers (to simulate years of exposure to salt-water environments). This testing is critical to building products that will not only sound great in your boat, but will also sound great for many, many years.

Q-Fog Environmental Test Chamber

Q-UV Environmental Chamber

Materials Used:

  • injection-molded mica-filled polypropylene cone bodies with synthetic rubber surrounds, specifically formulated with UV inhibitors for marine duty.
  • Marine-grade, synthetic fiber spiders with progressive roll designs to withstand high humidity.
  • Specifically engineered polymer baskets are corrosion and UV-resistant and encapsulate the woofer’s motor system to prevent corrosion.
  • Gold-plated, marine-grade brass connection terminals
  • Marine-grade stainless steel mounting hardware is included.
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