The JL Audio MM55 is a premium, full-featured marine digital media receiver designed for high-performance boat audio systems. Engineered for life on the water, it provides exceptional audio clarity, intuitive control and rock-solid durability in harsh marine environments. With advanced zone control, a bright full-colour display and seamless integration with JL Audio marine amplifiers, the MM55 is an ideal centerpiece for premium sport boats, cruisers and multi-zone vessel installations.
The high-resolution, sunlight-readable LCD screen ensures excellent visibility at the helm, even in direct sunlight. Large, backlit controls make adjustment easy while underway, and the IP66 weatherproof construction protects the unit from saltwater spray, UV and vibration.
The MM55 features Bluetooth® streaming, USB input, AUX input and NMEA 2000® compatibility (when used with an optional gateway), making it a versatile source unit for modern marine audio rigs. Advanced DSP-based EQ, balance and crossover settings allow fine-tuning for each audio zone, ensuring clean, powerful sound throughout the vessel.
Key features:
• Premium JL Audio digital marine media receiver (no CD/DVD mechanism)
• Sunlight-readable full-colour display with weatherproof face
• IP66-rated for saltwater, spray, UV and harsh conditions
• Bluetooth® audio streaming, USB and AUX inputs
• 3–4 audio zones (depending on configuration) with independent control
• DSP-based EQ and crossover tuning for each zone
• NMEA 2000® compatible (with optional interface)
• High-quality preouts for integration with JL Audio marine amplifiers
• Large, ergonomic controls for use while underwater
• Perfect for RIBs, sportsboats, wake boats, cruisers and yachts
Technical highlights:
• Model: JL Audio MM55
• Display: Sunlight-readable TFT colour screen
• Weatherproof rating: IP66 front panel
• Bluetooth®: Yes
• USB: Yes (media playback + charging)
• AUX input: Yes
• Preamp outputs: Multi-zone (typically 3–4 zones)
• Compatibility: JL Audio M-Series & MVi DSP amps
• Power requirement: 12V DC
What's in the box:
• MM55 media receiver unit
• Mounting hardware
• Wiring harness
• User/installation documentation
Ideal for:
• Helm stations, flybridges, centre consoles, cabins and premium multi-zone systems