Product Details

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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 (see below)
Specifications
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
Lineart Front-View and Side-View plus Back, Bottom and Top-View of MM105 MediaMaster with physical specification dimension labels
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

Customer Reviews

JL Audio MM55 Premium Compact Marine Source Unit with Full-Color LCD

JL AudioSKU: MM55

Price:
Sale price$429.99
Stock:
Sold out
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Contact Us

In-Store Purchases

We greatly appreciate your business. To guarantee your total satisfaction, we offer the following return, warranty, and repair policies for in-store purchases:

Our staff has been directed to meet every customers’ expectations and make sure they are completely satisfied.  If for some reason they have failed to meet your and our expectations, we want to hear from you.  Please contact us online or by phone at (704) 398-1822.  We value the opportunity to serve you and are committed to your total satisfaction.

If you would like to contact the store where you made your purchase please click here

30-day refund on new factory sealed products, 30-day exchange on installed products.  Defective products covered by the manufacturer’s warranty will be exchanged within the first 30 days of purchase.  After 30 days, exchange versus repair is determined by the manufacturer’s warranty and varies by manufacturer.  We will exchange products beyond 30 days when the manufacturer’s warranty allows us to do so.

We offer a 30-day upgrade on purchased products.  You will be issued full credit towards an upgrade. Additional labor charges may apply.

Labor is non-refundable.  Installation parts such as amp kits, interconnect cables, dash kits, wiring harnesses and other installation items are non-refundable.

We offer a lifetime warranty on installation for as long as you own your car.  All warranties of labor and product are guaranteed to the original purchaser.

No refunds on SPECIAL ORDERED products.  A 20% deposit is required for all special orders, which is non-refundable.

We offer a layaway service that requires a 10% deposit.  Layaways must be picked up within 90-days.  If not picked up within 90 days the layaway deposit will become a store credit.  All layaway deposits are non-refundable, but may be used to purchase other products at the store.

Buyer assumes responsibility for all non DOT approved products, including but not limited to: Neon Lighting, Fog Lamps, Headlights, Taillights, and Window Tint.

We offer in-house repairs on most car audio equipment.  All repairs whether they are factory or aftermarket will have a 90-day warranty.  Product repairs are performed at a flat rate. Most repairs are covered under this flat rate though some exceptions may apply. You will be notified if there is going to be any additional charges.

Many products that we carry can be repaired in-house if.  Items purchased from us will be given express service when repaired in house. Any item purchased and installed by us will receive free removal of product for repair.

Gift cards are non-refundable and can only be used towards a purchase or purchases.

If you are not 100% satisfied with our products or service, please contact us immediately at the corporate level.


Online Purchases

Purchases made on freemanscarstereo.com are eligible for a return request within 30 days of order delivery. A return authorization number is required for all returns: any return that does not contain a return authorization number will be refused and returned to the sender. Full refunds are only issued for unopened and unused products. Carrier and shipment damaged items must be reported within 5 days of the package or product being received. Any package or product damaged claims will not be honored by us or the carrier if not reported within that time period.

Refunds

> Full Refunds

In order to be eligible for a refund, item(s) must be unused, unopened, and in the same condition in which it was received. There is no restocking fee for brand new/unopened/sealed items.

Customers will receive a return confirmation email within 1-2 business days that will confirm receipt of their return and confirm whether or not that return will be eligible for a refund. Approved refunds will be processed automatically via a credit back to the customer’s original payment method. 

> Partial Refunds

Any item that is damaged, has missing parts, or is not in its original condition is subject to a restocking fee of up to 50% of the order total. If the box or seal is opened there is a 20% restocking fee. 

Installed, used, or damaged items may not be eligible for return or, will incur a restocking fee. These situations include but are not limited to the following:

  • Any sign of use - including signs of installation, scratches, physical marking, screw holes, or similar.
  • Tags, stickers, or other manufacturer labels removed or tampered with.
  • Missing parts or the original product packaging is damaged.
  • A product that is returned bearing a serial number that does not match the serial number of the product shipped by Freeman’s Car Stereo.
  • Physical damage from drops, liquid, mishandling or similar.
  • Damage due to improper return packing by customer.
  • Mounted or used subwoofer enclosures and speaker boxes.
  • Blown, punctured or fried speakers, subwoofers, and amplifiers.

 

> Late or Missing Refunds

Refunds can take a week or longer to post to your account depending on your bank. If you haven’t received a refund yet, please contact your credit card company or bank. If your refund has still not been posted within 2 weeks of being issued please contact us via email: esales@freemanscarstereo.com.

 

> Online Gift Returns

If the item was marked as a gift when purchased and shipped directly to the gift recipient, the gift recipient will receive a store credit for the value of the return. Once the returned item is received, a freemanscarstereo.com gift certificate will be mailed.

 

> How to Request A Return

1. Complete the Return Request Form to receive a return authorization number (RMA#). 2. All returns must have the return authorization number written on the outside of the box or the return may be refused. 3. Carefully package items and ship to the following address:

Freeman’s Car Stereo
Attn: Returns (RMA#)
18624 Northline Drive
Cornelius, NC 28031

All approved authorized returns are to be sent to this address for return processing and inspection. Customer is responsible for paying for return shipping costs. 

Warranty Exchanges*

We follow all manufacturer’s policies regarding the processing of warranties. Warranty exchanges or repairs are subject to eligibility periods based on purchase date as well as specific manufacturer policy.

Missing serial numbers, physical damage, or customer abused products will void warranties, repairs, and exchanges. 

Send all approved authorized warranties for return processing and inspection to: 

Freeman’s Car Stereo Attn: Returns (RMA#) 18624 Northline Drive Cornelius, NC 28031

Items That Cannot Be Returned

  • Gift cards
  • Opened and/or used installation parts will not be accepted for return or refund.
  • Products past it's return date window (30 days from when order is placed).

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