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  • Image of a JL Audio audio source unit on a white background.

| Recmar

Marine Source Unit JL Audio MediaMaster 50, IP66, 4x25W (OEM MM50)

JLMM50

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£554.56 GBP
£554.56 GBP
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Product Specifications and Features

The JL Audio MediaMaster® 50 (MM50) is a compact, weatherproof marine source unit designed for real-world helm installs on boats, pontoons and other outdoor applications. It combines a built-in 4-channel amplifier (25W x 4 @ 4Ω) with 6 channels of 4V preamp outputs for multi-zone systems, plus NMEA 2000® connectivity for network control.

Key features

  • IP66-rated weatherproof chassis and display
  • Built-in amplifier: 25W x 4 RMS @ 4Ω (100W total)
  • Multi-zone audio: Zone 1 & Zone 2 + dedicated subwoofer zone (preamp outputs)
  • Source options: AM/FM tuner with RDS, Bluetooth® streaming, USB audio playback, AUX input
  • NMEA 2000® Micro-C network interface (LEN 1) for compatible MFD/remote integration
  • USB 2.0 supports MP3/WAV/WMA and provides up to 2.1A charging output

Verified specifications (MM50)

  • Operating voltage: 14.4V DC (10.4–15.8V)
  • Current draw / fuse: 15A max / 100mA standby / 15A
  • Bluetooth®: A2DP v1.2, AVRCP v1.4; v2.1 + EDR; range up to 35 ft (11 m)
  • Preamp outputs: Zones 1&2: two stereo pairs (4V RMS); Sub: one mono pair (4V RMS)
  • High-pass crossover (Zones 1&2): Off / 60 / 80 / 100 / 150 Hz
  • Dimensions (W x H x D): 4.65 x 3.74 x 3.15 in (118 x 95 x 80 mm)

Compatible accessories (sold separately)

  • JL Audio MMR-20-BE wired remote controller
  • JL Audio MMR-10W wireless remote controller
  • JL Audio MMR-40 NMEA 2000® network controller

Supplier note: Sourced via Recambios Marinos (Recmar) and supplied as a genuine JL Audio marine product. Confirm ratings, wiring requirements, cutout dimensions and system compatibility before ordering.

Shipping Information

All orders ship from the UK. Orders placed Monday–Thursday before 12:00pm are processed same day. Orders placed Friday after 12:00pm through Sunday are processed the following Monday. Processing times vary by stock location.

Out of stock items can be back-ordered with a typical 3–4 week lead time.

If an item shows "Dispatch Available Today" and you order after 2pm UK time, processing begins the next business day.

All times are in UK BST.

Notice: Due to ongoing conflicts impacting logistics, some deliveries or re-stocking may take a little longer than expected. We're working to get your order to you as quickly as possible.

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