JL Audio 010-03372-00 MM55-HR Marine Digital Media Receiver with Bluetooth

The JL Audio MM55-HR is a premium marine-grade digital media receiver built for demanding on-water environments. Featuring an IP67-rated weatherproof enclosure, this head unit withstands full submersion and exposure to the elements, making it an ideal choice for boats, yachts, and other marine applications.

The MM55-HR delivers versatile connectivity with AM/FM with RDS tuning, Bluetooth® audio streaming, two USB 2.0 inputs, one auxiliary RCA input, and a dedicated NMEA 2000® port for seamless integration with compatible marine networks and displays. The built-in amplifier and built-in power supply provide a clean, compact installation without requiring additional external components.

Key Features:

• IP67 Weatherproof Rating — fully protected against dust and temporary water immersion
• AM/FM Tuner with RDS — receive station name and song information on supported broadcasts
• Bluetooth® Audio Streaming — wireless playback from smartphones and compatible devices
• Dual USB 2.0 Inputs — charge and play from USB storage devices or mobile devices
• Auxiliary RCA Input — connect external audio sources directly
• NMEA 2000® Port — integrates with onboard marine networks for system-wide control
• Built-In Amplifier — drives speakers without an external amp for simple installs
• 10–16V DC Operating Voltage — compatible with standard 12V marine electrical systems
• Operating Temperature: -4°F to 149°F (-20°C to 65°C) — engineered for extreme conditions

Designed and built by JL Audio, a leader in high-performance audio, the MM55-HR combines rugged durability with audiophile-grade engineering, delivering exceptional sound quality on the water.