Description
JL Audio MediaMaster 55 Weatherproof Marine Stereo
Take your marine and outdoor audio experience to the next level with the JL Audio MediaMaster 55 (MM55), a premium weatherproof stereo system engineered for boats, 4WD touring setups and powersport vehicles.
Available at Strathfield Car Radios, the MediaMaster 55 delivers powerful, high-fidelity sound combined with rugged durability, making it the perfect solution for Australian conditions — from offshore boating to off-road adventures.
Designed with advanced connectivity, multi-zone audio control and a high-visibility display, the MM55 ensures your music sounds exceptional no matter where your journey takes you.
Built for Harsh Australian Conditions
The JL Audio MediaMaster 55 marine stereo is purpose-built to withstand extreme environments, featuring an IP67-rated weather-resistant design that protects against dust, water and harsh outdoor elements.
Whether installed in a boat dashboard, canopy setup or off-road touring rig, this unit is designed to perform reliably in:
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Marine environments (saltwater exposure)
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4WD and overlanding builds
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Powersports vehicles (ATVs, side-by-sides)
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Outdoor entertainment systems
Powerful Audio Performance
At the heart of the MM55 is a high-efficiency Class-D amplifier, delivering:
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100 watts total power (25W RMS x 4 channels)
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Clean, distortion-free output
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Efficient power usage for vehicle electrical systems
For advanced setups, the unit also includes multi-zone preamp outputs, allowing full system expansion with external amplifiers and subwoofers.
Advanced 3-Zone Audio Control
One of the standout features of the MediaMaster 55 is its 3-zone audio system, giving you complete control over different listening areas.
Each zone includes:
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Independent volume control
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Dedicated subwoofer output
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Selectable crossover settings
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Flexible tuning for different speaker setups
This makes it ideal for larger boats or 4WD setups where separate audio zones are required (e.g. cabin, deck, rear canopy).
Bright Full-Colour LCD Display
The MM55 features a 2.8-inch full-colour LCD display, designed for excellent visibility in all lighting conditions.
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Day and night display modes
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High contrast for sunlight readability
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Intuitive interface with large backlit controls
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Easy access to audio adjustments (bass, midrange, treble, balance)
This ensures safe and simple operation whether you’re on the road, water or trail.
Modern Connectivity & Media Options
The MediaMaster 55 supports a wide range of modern and traditional audio sources, giving you maximum flexibility:
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Bluetooth® streaming with high-quality audio support
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USB input for music playback and device charging
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AM/FM radio tuner with RDS information
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Auxiliary RCA input for external devices
Compatible audio formats include MP3, WAV, AAC and more, ensuring your entire music library is accessible.
NMEA 2000® Integration
For marine installations, the MM55 offers NMEA 2000® network compatibility, allowing integration with compatible multifunction displays.
This enables:
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System control via marine display units
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Seamless integration into advanced boat electronics systems
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Expanded control and monitoring capabilities
Expandable with Remote Control Options
The system supports optional wired and wireless remotes, allowing convenient control from multiple locations on your vessel or vehicle.
Additionally, smartphone control functionality provides even more flexibility when managing your audio system.
Designed for Flexible Installation
The MediaMaster 55 is available in two configurations:
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Standard MM55 – with display and physical controls
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MM55-HR Hideaway Receiver – remote-mounted unit without display
This allows for clean, custom installations in tight or concealed spaces, perfect for modern marine and 4WD builds.
Ideal For
The JL Audio MediaMaster 55 is the perfect choice for:
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Boat owners wanting premium marine audio systems
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4WD enthusiasts building touring or canopy audio setups
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Powersport vehicle upgrades
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Outdoor entertainment systems requiring weatherproof performance
Buy JL Audio Marine Audio at Strathfield Car Radios
Upgrade your outdoor audio system with the JL Audio MediaMaster 55 marine stereo, available at Strathfield Car Radios — Australia’s trusted destination for marine audio, 4WD electronics, car audio systems and installation solutions.
Built for performance, durability and flexibility, the MM55 is the ultimate all-in-one control solution for high-end outdoor sound systems.
