Description
JL Audio MM55 - Premium, Compact Marine Source Unit with Full-color LCD
MediaMaster® 55 from JL Audio® – Premium, Compact Marine Source Unit with Full-color LCD
MediaMaster 55 is a premium, compact marine source unit engineered to deliver high-fidelity sound and advanced audio features for all your maritime adventures.
Constructed with a tough, water-resistant (IP67-rated) design, this single-chassis receiver features a bright 2.8-inch (71 mm) full-color display and an intuitive interface with backlit controls for easy operation day or night. A variety of source and media options are on board for uninterrupted listening of your favorite stations and playlists, including global radio tuners, a USB input, analog AUX input and streaming audio capabilities, courtesy of BLUETOOTH® wireless technology.
Audio output options include a robust 4-channel onboard amplifier, capable of powering your speakers with 100 watts (25-watts RMS x 4) of pure sonic delight. Nine channels of audiophile-quality preamp outputs from three separate audio zones are also included, each with a dedicated subwoofer output. Each zone includes an array of flexible audio options and is controlled by a configurable master volume knob for quick, on-the-fly adjustments, allowing complete command over different areas of your boat.
The MediaMaster 55 marine source unit also includes certified NMEA 2000® network connectivity, making it an ideal companion for use with your Garmin, Lowrance, Raymarine or Simrad multifunction display (MFD).
FEATURES
Engineered for Real-world Marine Duty
- Rugged (IP67-rated) design to withstand the elements, with all buttons sealed behind a watertight membrane
- Bright and easy-to-read 2.8-inch (71 mm) full-color LCD with a high-contrast design for enhanced viewing while in motion
- Intuitive interface with backlit controls for easy operation day or night
- Independent settings for day and night lighting with separate brightness controls for the display, buttons and optional wired remotes
Comprehensive Marine Audio System Capabilities
- Nine channels of audiophile-quality preamp outputs (4-volt RMS) from three separate audio zones, each with a dedicated subwoofer output
- Independent feature and control options for each audio zone:
- Volume level: adjust all zones together or select an individual zone for discrete adjustment
- Subwoofer level: dedicated button to adjust all subwoofer zone trim levels together or select an individual zone for discrete adjustment
- Onboard crossovers: each zone is equipped with separate filters for high pass (off/80/100/120 Hz) and low pass (off/60/80/100 Hz)
- Volume limit: set a maximum allowable volume level for each zone
- Tone controls: adjust the bass, midrange, treble and balance settings
- Zone naming: customize each zone’s designation for easy identification
- Built-in amplifier generates 100 watts (25 watts x 4) of high-fidelity sound for zones 1 and 2
Built for Today's Modern Media
- Digital AM/FM radio tuner with radio data system extended display info
- Built-in DAB+ radio (Europe) tuner (subject to local availability)
- Store up to 18 favorite stations (across all tuners) for quick selection
- Stream audio with BLUETOOTH wireless technology and the Qualcomm® aptX™ audio codec for amazing audio fidelity with compatible devices
- USB 2.0 direct-digital connections can access music files on your USB storage device with 1 amp charging output
- Auxiliary inputs accept analog audio signals directly from external sources
- NMEA 2000 network-certified: MFD control functionality uses applicable network cables and connectors (sold separately)
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
General Specifications
| Input Operating Voltage | 10 - 16 VDC |
| Standby Current Draw | 100 mA |
| Operating Current Draw | 15 A |
| Recommended Fuse Value | 15 A |
| Remote Turn-on Capacity | 500 mA (max) |
| Operating Temperature Range | -4 F to +149 F (-20 C to +65 C) |
| Display Size / Type | 2.8" / TFT LCD backlighted |
| Display Resolution | 320 x 240 |
| Output Channels | One stereo pair and mono subwoofer RCA plugs per zone |
| Output Zones | Relative, Absolute, Fixed or Off |
| Maximum Output Voltage | 4V RMS (Relative or Absolute), Selectable 4V/2V/1V RMS (Fixed) |
Connectivity
Tuner
| FM Tuner with RDS | 87.5 MHz to 107.9 MHz (0.2 MHz step) |
| AM Tuner | 530 kHz to 1710 kHz (10 kHz step) |
| DAB+ Tuner | 170 MHz to 230 MHz |
| Favorites | 18 presets across all tuners |
Bluetooth®
| Profile | A2DP v1.2, AVRCP v1.4 |
| Core Specification | Version 2.1 + EDR |
| Codec | SBC, Qualcomm® aptX™ audio |
| Connection Range | Up to 35' (11 m) |
USB
| Interface | USB 2.0 host |
| Maximum Current Output | 1 A |
| Supported Audio Formats | MP3, MP4, WAV, AAC, M4A, M4B |
Physical Specifications
| Height (H) | 3.74 in / 95 mm |
| Width (W) | 4.65 in / 118 mm |
| Depth (D1) | 2.36 in / 60 mm |
| Depth (D2) | 3.66 in / 93 mm |
| Mounting Hole Height (A) | 3.15 in / 80 mm |
| Mounting Hole Width (B) | 3.74 in / 95 mm |