JL Audio MM55 Bluetooth Marine Digital Media Receiver (does not play CDs)

JL Audio MM55 Bluetooth Marine Digital Media Receiver (does not play CDs)

If you’re looking to upgrade your boat’s sound system, the JL Audio MM55 Bluetooth Marine Digital Media Receiver delivers high-quality audio with features designed specifically for life on the water. This compact marine receiver blends durability, advanced connectivity, and multi-zone control to make every boating trip sound better.

Built Tough for the Marine Environment

The MM55 is built to last with a rugged IP67-rated design that seals out water, dust, and corrosion. Every button is protected behind a watertight membrane, so rain, spray, and salt won’t keep your music from playing. This makes it perfect for all your marine adventures—whether you’re fishing, cruising, or just enjoying a day on the water.

Clear, Bright Full-Color Display

One of the first things you’ll notice is the sharp 2.8-inch full-color LCD display. The screen uses high-contrast colors and brightness that adjusts separately for day and night, so you can see your playlists, stations, and controls clearly no matter the lighting. Plus, backlit buttons and an oversized illuminated control knob make it easy to operate even in rough conditions or after sunset.

Flexible, High-Quality Audio Zones

The JL Audio MM55 takes your boat’s sound experience to the next level with control over three distinct audio zones. Each zone has its own dedicated subwoofer output, letting you customize the sound for different areas like the cockpit, cabin, or deck. You can adjust volume, bass, midrange, treble, and balance individually—or link zones for simultaneous control.

The unit features nine channels of audiophile-grade 4-volt preamp outputs spread across the three zones, giving you extensive flexibility to add external amplifiers or subwoofers. This kind of control is a rare find in a compact marine receiver and puts you in charge of your boat’s full audio landscape.

Robust Built-In Amplifier for Crystal Clear Sound

Under the hood, the MM55 packs a built-in 4-channel amplifier that pumps out a total of 100 watts (25 watts RMS per channel). This onboard power means you can get clean, high-fidelity sound from your marine speakers without needing extra amps—perfect for smaller setups or for zones one and two where onboard amplification is supported.

Modern Media Connectivity Without Limits

The JL Audio MM55 keeps your playlists flowing with a variety of source options. Bluetooth wireless streaming with Qualcomm aptX ensures top-notch sound quality straight from your smartphone or compatible device. If you prefer wired connections, the USB port handles both playback and charging for iPhones and USB drives.

For those who like to tune into the radio, the MM55 offers global AM/FM tuners with support for digital HD Radio in North America and DAB+ digital radio in Europe. Plus, you can save up to 18 favorite stations across all tuner bands for quick access.

Don’t worry about legacy devices either—a front-panel analog AUX input lets you connect all kinds of external audio gear.

Customizable Audio Features to Suit Your Style

The MM55 isn’t just about blasting music—it’s about delivering exactly the sound you want. Each zone includes adjustable tone controls (bass, midrange, treble), balance, and volume limit settings to prevent blasting the neighbors or your crew. You can also assign custom names to each zone for easy recognition.

Built-in crossovers with selectable high-pass and low-pass filters help fine-tune the sound to your speaker setup and keep things clean and clear. The unit also features JL Audio’s zero-clipping circuit and self-limiting tone controls to protect your speakers from distortion and damage, even at high volume levels.

Expand Your Control Options

If you want to take remote control further, the MM55 supports a variety of optional controllers. Wired and wireless remotes with water-resistant ratings (IP66 to IP68) can be installed for easy access. For those with multifunction displays on their boats, the MMA-1-HTML interface brings audio controls and navigation data right to your screen via the NMEA 2000 network.

If you prefer to control music from your phone or tablet, the free MM-Remote app lets you adjust settings wirelessly, no matter where you are on the boat.

Remote Controller and Interface Accessories (Each Sold Separately):

• MMR-40 network controller: full-function water-resistant (IP66-rated) controller with full-color LCD (NMEA 2000 network)
• MMR-25W wireless controller: water-resistant (IP68-rated) controller with BLUETOOTH wireless technology
• MMR-20-BE wired remote controller: water-resistant  (IP67-rated) controller (direct connection)
• MMR-5N2K network volume controller: water-resistant (IPX7-rated) controller
• MMA-1-HTML MFD data interface: digital interface generates themed navigation and controls onto your MFD (NMEA 2000 network)
• MM-Remote controller application: free, full-function application controller uses your compatible wireless device; available for free download 

Enjoying your time on the water should come with incredible sound that’s easy to manage and tough enough to handle the environment. The JL Audio MM55 Bluetooth Marine Digital Media Receiver delivers on all fronts, giving you crisp, powerful music with multiple zones, modern connectivity, and a design built for life afloat.

FAQs

1. What is the display size and type on the JL Audio MM55? It features a bright 2.8-inch full-color LCD with adjustable brightness for day and night.
2. How does the MM55 handle multiple audio zones? It controls three separate zones, each with its own volume, tone, balance, and dedicated subwoofer output.
3. Can the MM55 connect to smartphones for music streaming? Yes, it supports Bluetooth wireless streaming with Qualcomm aptX for high-quality audio.
4. Is the MM55 designed to resist water and weather conditions? Yes, it has an IP67 rating, making it highly resistant to water and dust.
5. Are there options to control the MM55 remotely? Multiple wired and wireless remote controllers are available, plus a smartphone app for wireless control.