Universal Marine Bluetooth Audio Controller / Receiver

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List price $119.99

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General Features:

  • Compatible with any Amplifier or Headunit with a Line-Level/Auxiliary Input
  • Connects via one stereo pair of low level RCA outputs
  • For use in all environments
  • Designed for marine and powersports applications
  • IPX6 water resistance rating
  • Compatible with Bluetooth equipped (A2DP) devices
  • One Stereo Pair of Low-Level RCA Outputs
  • *Bluetooth signal up to 35 ft. (11 m) away
  • Bluetooth Version 4.0
  • Mounting hole ears for convenient installation
  • Requires 12v Power/Ground connection
  • Fuse Rating: 2A x 1 , Mini ATC
  • Dimensions: 2.15" W x 0.74" L x 2.15" H
  • S/N Ratio: 93 dB
  • Frequency Response: 20Hz - 18,000Hz
  • Authorized Internet Dealer
  • 1-year Sonic Electronix Warranty

*Maximum range is achieved in line-of-sight installations. While the receiver can be mounted in a hidden location, actual range will vary based on installation specifics.

Bluetooth Specifications

Bluetooth Range
The maximum distance (measured in feet) that the Bluetooth device can from the paired Bluetooth transmitter.
35 feet
Bluetooth Version Compatibility
Which version of Bluetooth the device is compatible with. Is it important that the both devices being paired are the same version of Bluetooth. For example, a Bluetooth version 2.0 cell phone can be paired with a compatible version 2.0 headset.
Version 4.0
Connection Type
How the unit is connected to its source to send and receive information and data.

On some items such as wire or cables, this specifies how the cables connect to transfer the signals.

RCA Interconnect

Specials with this Item

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Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
4 Star
3 Star
2 Star
1 Star

Average Attribution Rating



Verified Purchase
Great for SxS

July 7, 2016

I got this as a package with teh JL waterproof speakers, SSV kick pods and JL 280 marine amp (discontinued). The MBT-CRX mounts just to the right of the steering wheel on my Rzr 1000. It has RCA stereo cable that I hooked up to the JL 280 amp which fits perfectly in the glove box. Both of the MBT and amp I received were faulty, however. The new stuff works fine. Pretty disappointed with JL Audio to be honest but I'll just hope that was an extremely rare exception and enjoy the gear.

Anyway it works great and has excellent sound. It has AptX which has the best sound quality at the moment. I put the bluetooth volume on my phone all the way up and store it in the phone holder in the console. I control the music volume, pause, skip track etc from the MBT-CRX at the touch of a button. Works great while driving. Tip: press the volume button multiple times to change it quickly, don't "hold" it for faster response. It lights up a nice blue at night to easily discern the different buttons.

The reception is quite surprising.. I went to water the bushes in the woods with the phone in my pocket and got about 40 feet before it started cutting out!

Overall I'm please with the setup. It goes plenty loud and has good sound and range. Get it!

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oklahoma city ok

Perfect for UTV

June 6, 2016

Installed in my Kawasaki Teryx 800 le side x side.
Works great and the water and mud do not affect it.
It is simple and does exactly what it's intended for.
Installation was a breeze !!!
I highly recommend this product.

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MBT CRX on a RZR 900

June 2, 2016

The unit seems to work good all the buttons are tight and have a slight click to them as you select. The wiring was quite large compared to other products and easy to work with. I'm not crazy about needing to drill a 1" hole in my machine to mount the device with but it looks good and the blue backlighting matches my 2015 Polaris RZR factory blue. The BT connect in about 2 seconds automatically after powering up every time. I have experienced some choppy connections a few times but I can't tell if that was from other local interference or not. Over all I like the product but wish they had a flush mount kit. The unit is about about a half inch Thick and about 2' round

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Perfect For a Classic Car or Hot Rod

April 24, 2016

I haven't gotten to the install yet but from the looks of the product and reputation of the Manufacture I expect it will fit the Bill. I'm using it in my German Look Beetle which has an array of gauges that take up a lot of space. And I don't normally listen to the radio other point was that all my Music is on my phone or iPad these days so this was a perfect fit for may needs and application.

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Ft. Lauderdale, FL

Fantastic Bluetooth Receiver

January 13, 2016

Install was a snap. Wired up and works well. Was able to integrate it into my AquaticAV head uniot.

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Browse 6 questions and 25 answers
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Why did you choose this?
Sonic Electronix Store
Fend back from customers
George W on Oct 19, 2017
i needed it and jl is the best
Darren M on May 11, 2016
Simply cant go wrong with JL Audio !
Ramon C on May 23, 2016
Best option to fulfill my needs. Need to install a music source in my classic car (1965 Fairlane) without cutting up the dash. The only option was mount a headunit in the glovebox or this + an amp with this under the dash. This was the best option & I can then stream all my music from my phone & keep my glovebox.
James C on Apr 15, 2016
I am trying to find a marine/water proof remote controller for a Pioneer 5600 double din head unit in a large boat. The head unit is in the cabin protected from the elements. I need a remote for the cockpit (~20' not line of sight) and one for the transom (~35' not line of sight). I prefer a wired remote, but can't find a nice double din head unit that will connect to a wired marine remote. Will the JL serve my purpose?
Jim M on Apr 11, 2016
Best Answer: If you are looking to use your smartphone or other device with Bluetooth capability as your source for music this unit is perfect. Please note your head unit will need two sets of Auxiliary inputs if you are going to use two separate MBT-CRX unit's as you will need to run the RCA output from the MBT-CRX to your head unit. I have not tested at this time how far away from the MBT-CRX my phone will stay connected.
Reply · Report · Jason M on Apr 12, 2016
· Add Answer · I Have This Question Too (7)
Do you need a head unit, or can this plug right into amp?
Chad J on Apr 21, 2017
Best Answer: I've not used mine yet but that's what i bought mine to do. In the manual, it shows the two outputs and this info --RCA to amplifier (or) aux input--
Reply · Report · Andy S on Apr 24, 2017
· Add Answer · I Have This Question Too (2)
Is this MBT-CRX just a controller or could I use amps for stereo for my Harley or would I also need to purchase MBT-RX in order to play my cell phone for my Harley Softail????
George W on Aug 29, 2017
Best Answer: MBT-CRX is a Bluetooth receiver. You will Bluetooth your phone to this, and it will output the audio signal from your phone through RCA wires. It also has a remote output wire. So you will take these wires , and plug them into an amplifier, and wire your speakers to the amplifier. MBT-RX will do the same thing, but you don't get a touch pad.(v So you will have to do all volume and song changing from your phone. If you buy buy MBT-CRX you don't need MBT-RX
Reply · Report · Cody R on Aug 30, 2017
· Add Answer · I Have This Question Too (0)
I have a 5 channel amp I will be using with this my amp has active crossovers this should work right?
A shopper on Feb 11, 2017
Best Answer: It depends on the amp a bit. The MBT-CRX only comes with one set of RCA outputs. So you either need an amp that will work with only 1 set of RCA's, use y adapters, line level amp or use an audio control to get yourself enough outputs with enough signal strength. I'm running two amps that have in and output RCA's and will add an Audio Control to process the signal and bump up the signal strength.
Reply · Report · Care of Onno O on Feb 12, 2017
· Add Answer · I Have This Question Too (0)
Does anyone know the diameter of the controller?
A shopper on Feb 17, 2018
Best Answer: Works great for boat and utv!
Reply · Report · clayton w on Feb 21, 2018
· Add Answer · I Have This Question Too (0)

Product Summary


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Internal Product ID


Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: JL Audio MBT-CRX

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Universal Marine Bluetooth Audio Controller / Receiver


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