JL Audio MediaMaster MM55 – Premium Marine Audio Receiver for Boats and Powersports
When you're out on the water or hitting the trails, quality sound is just as important as durability. That’s why the JL Audio MediaMaster MM55 is one of the top choices in marine Radio today. Built for tough environments and packed with powerful features, this digital media receiver delivers the perfect blend of performance and resilience.
Whether you're cruising the lake on a pontoon, heading offshore on a center console, or exploring the outdoors on an ATV or golf cart, the MM55 brings premium sound control and connectivity to your marine or powersports vehicle.
💧 Built for Harsh Marine Environments
The MM55 isn’t just a marine-friendly product—it’s purpose-built for it. Featuring an IP67 weatherproof rating, this receiver is fully sealed and tested to resist water, salt, UV rays, and other environmental threats. Its compact, rugged chassis is designed for long-term exposure in coastal or wet conditions.
The 2.8" full-color display remains readable in sunlight and is optimized with day/night mode for maximum visibility. Buttons and dial controls are glove-friendly and tactile, making them easy to use even when the waves are rocking your boat.
🎵 Full Control with Three-Zone Audio
A standout feature of the MM55 is its three-zone output with dedicated subwoofer control. Whether you're relaxing below deck, riding on the bow, or partying at the dock, you can control audio in each zone independently or all at once.
Key Marine Sound System Features:
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9 channels of 4V preamp outputs
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Individual zone volume, subwoofer levels, and EQ settings
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Crossover and tone control for each zone
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Custom zone naming and global volume modes
This flexibility makes the MM55 ideal for boats with multiple cabins, decks, or speaker areas.
📲 Wireless & Wired Audio Options
The MM55 gives you full control over your music without relying on outdated CD systems. It's designed to meet modern needs with a full suite of digital audio sources.
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Bluetooth® with aptX™ for high-resolution streaming
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AM/FM/DAB+ tuner for local and global radio
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USB 2.0 input for iPhones® and USB drives
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Aux input for analog sources
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NMEA 2000® compatibility for marine system integration
Whether you're streaming from your phone or plugging in a playlist, this marine receiver gives you seamless connectivity.
🌞 Easy-to-Use Display and Controls
With its 2.8-inch screen, the MM55 provides vivid colors, sharp resolution, and a customizable interface. You can adjust brightness separately for the display and controls, making it comfortable to use in any lighting condition.
Large font sizes, clean menus, and smooth rotary navigation make it simple to switch between sources, zones, and settings—even while on rough water.
🔊 Need Marine Speakers Too?
Pair the MM55 with high-performance marine speakers for a complete setup. At Audio Jam, we carry a full line of JL Audio marine speakers, subwoofers, and amps.
Explore Marine Sound System Installation Services at Audio Jam for a custom setup that performs in any condition.
🛠️ Tech Specs at a Glance
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Weatherproof Rating: IP67 marine-grade
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Output Power: 25W RMS x 4 channels
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Zones: 3 (with sub control)
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Inputs: USB, AUX, Bluetooth, NMEA 2000
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Display: 2.8" full-color screen
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No CD support – digital media only
🔗 Related Services
Looking to enhance comfort as well as sound? Pair your marine audio upgrade with window tinting services to reduce glare, block UV rays, and improve visibility on and off the water.
📍 Visit Audio Jam for Marine Reciever in Delaware
At Audio Jam in Bear, Delaware, we specialize in marine Sound systems that perform on the water and off-road. Our expert installation ensures your JL Audio MM55 delivers the sound you expect—without compromising durability or performance.
📍 Address: 227 Governor Place, Bear, DE 19701
📞 Call Us: (302) 832-2868
Experience premium marine Sound System the way it was meant to sound—only at Audio Jam.
❓ Frequently Asked Questions (FAQ)
Q1: Is the JL Audio MM55 waterproof?
A: Yes. The MM55 is IP67-rated, meaning it's highly resistant to water, dust, and UV exposure—ideal for marine and outdoor environments.
Q2: Can I control different zones independently?
A: Absolutely. The MM55 supports 3 audio zones with separate volume, subwoofer control, EQ settings, and zone naming for customized sound.
Q3: Does it support Bluetooth streaming and smartphones?
A: Yes. The unit features Bluetooth with aptX™ for high-quality streaming and a USB input compatible with iPhones and storage devices.
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