JL Audio MediaMaster 55 Weatherproof Source unit
SKU: 39182118039

JL Audio MediaMaster 55 Weatherproof Source unit

Sale price$171.45 Regular price$190.50
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Description

JL Audio MediaMaster 55 Weatherproof Source unitJL Audio MediaMaster 55 Weatherproof Source unit JL Audio MediaMaster 55 Premium, Compact Marine Source Unit with Full color LCD Model: MM55 Rugged (IP67 rated) design to withstand the elements, with all buttons sealed behind a watertight membrane Bright and easy to read 2. 8 inch (71 mm) full color LCD with a high contrast design for enhanced viewing while in motion Intuitive interface with backlit controls for easy operation day or night Independent

JL Audio MediaMaster 55 Weatherproof Source unit

JL Audio MediaMaster 55 Premium, Compact Marine Source Unit with Full-color LCD

Model: MM55

  • Rugged (IP67-rated) design to withstand the elements, with all buttons sealed behind a watertight membrane

  • Bright and easy-to-read 2.8-inch (71 mm) full-color LCD with a high-contrast design for enhanced viewing while in motion

  • Intuitive interface with backlit controls for easy operation day or night

  • Independent settings for day and night lighting with separate brightness controls for the display, buttons and optional wired remotes

  • Nine channels of audiophile-quality preamp outputs (4-volt RMS) from three separate audio zones, each with a dedicated subwoofer output

  • Independent feature and control options for each audio zone:

  • Built-in amplifier generates 100 watts (25 watts x 4) of high-fidelity sound for zones 1 and 2

  • Digital AM/FM radio tuner with radio data system extended display info

  • Built-in DAB+ radio (Europe) tuner (subject to local availability)

  • Store up to 18 favorite stations (across all tuners) for quick selection

  • Stream audio with BLUETOOTH wireless technology and the Qualcomm® aptX audio codec for amazing audio fidelity with compatible devices

  • USB 2.0 direct-digital connections can access music files on your USB storage device with 1 amp charging output

  • Auxiliary inputs accept analog audio signals directly from external sources

  • NMEA 2000 network-certified: MFD control functionality uses applicable network cables and connectors (sold separately)

MediaMaster 55 is a premium, compact marine source unit engineered to deliver high-fidelity sound and advanced audio features for all your maritime adventures.

Constructed with a tough, water-resistant (IP67-rated) design, this single-chassis receiver features a bright 2.8-inch (71 mm) full-color display and an intuitive interface with backlit controls for easy operation day or night. A variety of source and media options are on board for uninterrupted listening of your favorite stations and playlists, including global radio tuners, a USB input, analog AUX input and streaming audio capabilities, courtesy of BLUETOOTH® wireless technology.

Audio output options include a robust 4-channel onboard amplifier, capable of powering your speakers with 100 watts (25-watts RMS x 4) of pure sonic delight. Nine channels of audiophile-quality preamp outputs from three separate audio zones are also included, each with a dedicated subwoofer output. Each zone includes an array of flexible audio options and is controlled by a configurable master volume knob for quick, on-the-fly adjustments, allowing complete command over different areas of your boat.

The MediaMaster 55 marine source unit also includes certified NMEA 2000® network connectivity, making it an ideal companion for use with your Garmin, Lowrance, Raymarine or Simrad multifunction display (MFD).

Specifications

General Specifications

Input Operating Voltage
10 - 16 VDC

Standby Current Draw
100 mA

Operating Current Draw
15 A

Recommended Fuse Value
15 A

Remote Turn-on Capacity
500 mA (max)

Operating Temperature Range
-4 F to +149 F (-20 C to +65 C)

Display Size / Type
2.8" / TFT LCD backlighted

Display Resolution
320 x 240

Output Channels
One stereo pair and mono subwoofer RCA plugs per zone

Output Zones
Relative, Absolute, Fixed or Off

Maximum Output Voltage
4V RMS (Relative or Absolute), Selectable 4V/2V/1V RMS (Fixed)

Tuner

FM Tuner with RDS
87.5 MHz to 107.9 MHz (0.2 MHz step)

AM Tuner
530 kHz to 1710 kHz (10 kHz step)

DAB+ Tuner
170 MHz to 230 MHz

Favorites
18 presets across all tuners

Bluetooth®

Profile
A2DP v1.2, AVRCP v1.4

Core Specification
Version 2.1 + EDR

Codec
SBC, Qualcomm® aptX audio

Connection Range
Up to 35' (11 m)

USB

Interface
USB 2.0 host

Maximum Current Output
1 A

Physical

Width
4.65 in / 118 mm

Height
3.74 in / 95 mm

Depth
3.66 in / 93 mm


What's in the Box:


  • MM55 MediaMaster

  • Flush Mount Gasket

  • Flush Mount Template

  • Sun Cover

  • Powercord

  • #8 x 1in Screw x 4

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 39182118039

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I. Gonzalez
Draper, US
★★★★★ 5
Very nice product to keep things organized
Great product to keep your items organized when coming home or in your office. The item is very well built and has a nice elegant look and feel to it.
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Reviewed in the United States on April 26, 2023
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Carmen J Santora
Cuba, US
★★★★★ 4
Nice touch
Allows for some organization, and looks nice. Pretty sturdy, and I have not had any issues with it, I was a little smaller than I hoped.
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Reviewed in the United States on June 28, 2020
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Siddhartha
Natrona Heights, US
★★★★★ 5
Nice quality
Seems very good quality. Will purchase again.
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Reviewed in the United States on October 18, 2025
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J. Goff
Lake Worth, US
★★★★★ 5
Roomy
Looks even better in person. More room then I expected
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Reviewed in the United States on October 31, 2025
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Sb1
Lexington, US
★★★★★ 5
Nice
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Reviewed in the United States on May 28, 2026

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