Milennia MIL-BTREC

Bluetooth® adapter

Item #: 822BTREC

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59 Reviews


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Problem: You love listening to music, but you hate dragging that bulky album full of old, scratched-up CD's from vehicle to vehicle -- and you don't want to replace multiple receivers.

Solution: The MIL-BTREC Bluetooth adapter from Milennia. 

This compact accessory plugs into the rear RCA auxiliary inputs of any compatible radio and gives you the ability to enjoy Bluetooth® audio streaming. Supply power and ground to the MIL-BTREC, pair it up with your iPhone®, Android smartphone or other Bluetooth®-enabled music player, and get set to stream music. It's an instant upgrade, without the trouble and expense of buying a new receiver!

The MIL-BTREC Bluetooth adapter is a great solution for your boat, your "weekend" car or truck, or a variety of other 12-volt applications. With the right adapters, you can even connect it to a home stereo with an RCA or mini-jack AUX input.  Warranty: 1 year.

Note: If you want to connect this to the front mini-jack input on your car stereo, you'll need this stereo mini-to-RCA cable, and two female-to-female RCA barrel adapters.

Milennia MIL-BTREC Reviews

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Milennia MIL-BTREC

Written By Anonymous, Jacksonville on Wednesday, July 08, 2015

Crutchfield Customer Review (What's this?)

Just as expected

bluetooth greatness

Written By Dustin, menifee, ca 92584 on Thursday, June 18, 2015

Crutchfield Customer Review (What's this?)

Awesome product very easy install takes about 5 to 10 seconds to "boot up" or to activate the Bluetooth. 1997 Honda Prelude Kenwood mp4028 via aux/CD changer port

Pros: I keep my fav Kenwood deck, hooks to apple and android phones via Bluetooth

Cons: Sound is light but not a problem if you have an amp to adjust sound

Bluetooth for boat

Written By Anonymous, Sequim on Sunday, June 14, 2015

Crutchfield Customer Review (What's this?)

No interruption for Pandora up to 35 feet away. Inexpensive addition to my music repitoir on my boat

Pros: Inexpensive. Easy installation

Cons: None so far

Great little unit

Written By Capt. Mark, Connecticut on Tuesday, June 09, 2015

Crutchfield Customer Review (What's this?)

Bought this for my own boat to bring the '09 stereo up to date. It took 5 minutes to install once I had access to the back of the stereo. Just plugged in the two RCA jacks and tapped into the switched power and ground leads with splice connectors that tap into the wire without any cutting. The Bluetooth connection took under a minute and I was up and running.

Pros: Simple and effective.

Cons: None really.

Great product

Written By Anonymous, 63123 on Sunday, May 31, 2015

Crutchfield Customer Review (What's this?)

Great product easy install and great sound

Milennia MIL-BTREC

Written By mikey, California on Thursday, May 21, 2015

Crutchfield Customer Review (What's this?)

badass going to use this on another project

Pros: works as described

Cons: none

Perfect add-on

Written By Ken, Grasonville, MD on Wednesday, May 20, 2015

Crutchfield Customer Review (What's this?)

Easy to install, perfect addition to get music from the smartphone to the stereo without having to attach a cord. Worth every penny.

Pros: Installed in minutes connecting to AUX in and existing switched power.

Cons: None

Installed and works flawlessly

Written By ulm210, Illinois on Sunday, May 17, 2015

Crutchfield Customer Review (What's this?)

I have a Rockford Fosgate RFX9500DVD on my deck that I use for playing movies in the backyard. I bought this Bluetooth adapter so I can listen to music from my Iphone5 through the Aux input. It took me less than 5 minutes to install and connected to my phone within a few seconds. Could not be happier with how seamless the entire process was.

Pros: Easy to install; fast connection

Cons: none

Just what I needed

Written By Anonymous, Washington on Saturday, May 16, 2015

Crutchfield Customer Review (What's this?)

I stream music with my phone when I drive and had been using an Ai-Net to 3.5mm headphone jack adapter with my head unit. It worked well but the cord was a little too short and using my phone with it hooked up was a hassle (and probably not super safe). I decided it was time to enter the 21st century and use bluetooth. I wanted something I could wire into the rear of the head unit and never think about again. This fits the bill perfectly. I bought another Ai-Net adapter, this time Ai-Net to RCA and it works great with my Alpine CDA-9885.

Pros: Small, easy to set up, works just like it's supposed to.

Cons: Need to turn up volume a little higher than before to achieve same level of loudness. Very faint but noticeable (if no music is playing) pulsating static noise. Sounds like a strobe light looks if that makes sense. My car is pretty noisy so it's not a huge deal but not worthy of 5 stars either.


Written By Kenny, Brooksville, FL on Tuesday, May 12, 2015

Crutchfield Customer Review (What's this?)

This thing is terrible it would only work if my phone was next to it.

Works Perfectly

Written By Bryce, Indiana on Sunday, May 03, 2015

Crutchfield Customer Review (What's this?)

bought a fairing for my motorcycle was not happy with the radio, bought this bluetooth reciever and connected directly to Amp and now used my iPad mini for music, and maps very happy with performance of this blue tooth device.

Pros: its all good,

Cons: none!

Easy installation; Works fine so far

Written By Joe Z, Oregon on Wednesday, April 15, 2015

Crutchfield Customer Review (What's this?)

Some reviews complained that their receiver did not have RCA jacks for the AUX input. I'm sorry, but the PICTURE of this item clearly shows that it is RCA connections. The type of connection you need for your own existing receiver should be investigated before you buy! I am concerned about the one review that says it will not connect after being powered on for over a minute. I installed it, and of course, immediately connected to it, to see if it worked. This was under a minute. So I will have to test the "longer than one minute" issue. That would be a deal-breaker for me as well. My installation is in a limousine, so that guests can use their own device and music easily with the existing stereo system. It sounds good, and synced right up to my iPad. It will be a very nice addition. The audio level is a little low. Fortunately, my receiver (Clarion) allows me to increase the gain/sensitivity on the AUX input. Read your receiver's manual, yours might do this too, in the settings menu. Other than that, it installed easily. I tapped into power right there at the back of the receiver (used the splicing-clip things from the auto parts store), and I made sure to use wires that only had 12V when the car was on (Acc or engine running), as I did NOT want the Bluetooth receiver to be "always on" (as with the clock and memory of the receiver.) I felt this might shorten its life. Time will tell, especially that one-minute thing which I will check out for sure.

Pros: Easy to install. Small size fits right behind the receiver unit. Synced easily.

Cons: Audio level is a little low. Be prepared to turn up the volume on your device, and maybe even the receiver itself. And if you do on the receiver, be prepared to be blasted when you switch back to another audio source (tuner, satellite radio, etc.)


Written By Anonymous, Amarillo, TX on Thursday, April 02, 2015

Crutchfield Customer Review (What's this?)

Dis rioting says "easily...with any stereo w/ AUX inputs. Should be more specific as most factory radios w/ AUX buttons don't have RCA inputs.

Bare Bones

Written By Joe P, Florida on Monday, March 16, 2015

Crutchfield Customer Review (What's this?)

Don't buy this product expecting it to behave the way the Bluetooth-enabled radio that came with your late-model car does. This product, though its skimpy documentation doesn't say so, only connects during about the first minute after it is powered up. If you follow the instructions to power it from a source that is turned on and off with the ignition key, that means that if you want it to connect later than a minute or so after you've started the engine, you have to turn the engine OFF and RESTART the engine to get this thing to connect. I tried powering it from the radio's remote-amplifier-turn-on wire so that I would only have to turn the RADIO off and back on again, but that didn't work. I didn't expect it to; the turn-on circuits of this type don't provide sufficient current to power an item like this one. I finally gained this capability by powering it through a RELAY that was picked by the turn-on wire.

Pros: Low price, simple installation. Reasonable fidelity.

Cons: "Undiscoverable" to your device after first minute from power-up. Inadequate documentation, instructions.

Works good, so far

Written By AZ Scott, Arizona on Sunday, March 15, 2015

Crutchfield Customer Review (What's this?)

I installed this in my boat last week. Install was easy, as long as you know how to splice 2 low voltage wires that the unit needs for power. The unit's range is excellent, installed in my boat on the trailer it was about 40 foot range. Syncing to my iPhone 6 was no problem, I only had to restart the phone after syncing, but I had it synced to another bluetooth radio in my garage at the time, so it was likely not an issue with this new device. I also synced to my iPad without issue. The unit was small and light enough, that it doesn't need to be mounted with anything other than a couple small zip ties to the boat radio's harness, just to keep it from moving. I hope it does well in the heat of an Arizona summer. We'll see. The only gripe I have is that the volume is quite a bit lower using this device, compared to when the receiver is playing from other sources. It's not the receiver, as I had an RCA to iPhone jack cable plugged in prior, with no volume loss. I still can get the max volume, but the receiver needs to be turned way up.

Pros: Sound quality, range, size, light weight, price, ease of connecting to iPhone,

Cons: volume decrease vs. direct cable connection

perfect little device

Written By Cliff, Michigan on Sunday, March 15, 2015

Crutchfield Customer Review (What's this?)

This does exactly what I need it to. I now have Bluetooth in my 15 year old car. Connecting it all up literally took three minutes. Super easy installation. My phone remembers the device Evey time I connect it as well. I am very happy with this purchase. And as always, Crutchfield was very helpful throughout the whole process.

Pros: Easy installation, works exactly like I expected it to

Cons: None at all

great product

Written By Anonymous, casper WY on Monday, February 09, 2015

Crutchfield Customer Review (What's this?)

Great product. Easy too hook up.

Great little Device

Written By Petem, Florida on Wednesday, January 28, 2015

Crutchfield Customer Review (What's this?)

this little thing works as described. had no issues getting to work. i dont have the issue some reported having with having to re-pair it with the phone. when i turn the ignition switch on, the device comes up.. the phone connects.. and i start to stream.

Pros: Easy to install, easy to operate.

Tablet headunit

Written By Cuz'n Lucky, S.W. Florida on Saturday, November 29, 2014

Crutchfield Customer Review (What's this?)

I bought this to connect my Samsung Galaxy Tab 2 as my headunit/NAV to my sound system mounted by a molded in a Vehicle Dock for Galaxy Tab 7.0 similar to an iPad side slider mount. The MIL-BTREC is connected to an Audio Control Three.2 on the primary inputs and wired into the wiring harness of the Audio Control. This thing is absolutely awesome! I gained fidelity, a fuller frequency range, and volume over using the headphone to RCA cord I previously used. I have since converted two of my friends to get one for their vehicle and they are equally happy.

Pros: Fidelity, a fuller frequency range, and volume.

Cons: Waiting as long as I did to get this and put it in.

Works but Needs Amplified

Written By frostyjhammer, East Idaho on Monday, November 24, 2014

Crutchfield Customer Review (What's this?)

Spliced into 26-pin wire bundle connected to DVD player in overhead rail of 2005 F-150 and device pairs with iPhone and plays through AUX input of car stereo as advertised BUT it's a very weak signal, even with iPhone volume all the way up, so switching from AUX to FM without turning volume down is... a bad thing.

Pros: Easy to install, easy to pair as '0000'.

Cons: Not loud enough. No gain control.

bluetooth adapter for preamp or aux

Written By Jerry F., Nyssa Oregon on Tuesday, October 28, 2014

Crutchfield Customer Review (What's this?)

Great for iPads Streams and sounds good

Works well

Written By Flyinal, Posgah Forest, NC on Tuesday, October 07, 2014

Crutchfield Customer Review (What's this?)

Bluetooth connects easily and installation in a 2006 Honda Element took about 30 minutes including gathering and cleaning up tools. Instructions said to run the hot to the ignition lead but I ran it to the radio (7.5) fuse. Removal of the glove box door was key.

Pros: Easy install and works as advertised.

Cons: None

MIL-BTREC Bluetooth Adapter

Written By Mikinbin, Miami,FL on Monday, October 06, 2014

Crutchfield Customer Review (What's this?)

Started to produce hiss and garbled audio after about a month... returned for xchange

Pros: Adequate audio .. easy install. Worked great before problem.

Cons: Device runs warm during use... probably contributed to premature failure. Hopefully newer/xchanged unit will run better.

Poor Audio

Written By MiataMike1, Richmond, VA on Sunday, October 05, 2014

Crutchfield Customer Review (What's this?)

I wanted to connect my iPhone 5 to my Miata audio system aux-input without wires. The unit installed quickly and worked immediately. However, there was a loud audio hum and crackle when music was not playing.

Pros: Easy to install and pair. Unit is small and easy to fit behind dash.

Cons: Noticeable audio noise when music is not playing. Phone audio out does not come through the system (may be specific to iPhone 5).

Bluetooth Freedom

Written By Appsmanster, Erwin, NC on Friday, September 05, 2014

Crutchfield Customer Review (What's this?)

I have an Alpine iDA-X305S. Good unit but is setup for the iPhone. iPhone has its place but I am an Android user. And any add-ons are very expensive. So in order to play music with other devices I found an adapter to use the Ai-NET connector to RCA. Then an adapter to headphone connector. Work okay but volume was very low. So I was having to run volume levels higher than I wanted to in order to hear. The KCE-400BT bluetooth module for the Alpine was very costly. And the reviews were very mixed. But the unit was too good to just throw out. I did many months of research on bluetooth adapters. That's when I ran across this bluetooth adapter. The more I dug the more I would come back to this product. Made to power on only when ignition was turned on. No separate power supply. And for the price it was a no-brainer . This adapter rocks. Connecting was a breeze and volume was back down where it needed to be. Sound is clear as a bell. And when connected to the phone all sound is routed through the car audio. So even hands free calls work on my Galaxy Note 3. My experience may be an exception but for me it was the best money I have spent in a while.

Pros: Easy to install. Easy to connect to bluetooth devices like a phone.

Cons: Power lead way to short. Not a deal breaker but would be nice if they were longer.

Milennia MIL-BTREC

Written By JohnB, Key West on Wednesday, August 27, 2014

Crutchfield Customer Review (What's this?)

Works flawlessly. I installed this in less than 1/2 hour. Somewhat confusing that the RCA jacks are red and black, and the wire should be a little longer, but I am very happy with the product.

Pros: Price, ease of installation

Cons: Wires a little short

Works great!

Written By Will, CA on Monday, August 11, 2014

Crutchfield Customer Review (What's this?)

Works great, it does what it says, quick cheap way to upgrade my old stereo system without having to buy a new one


Written By R. Lacy, Garyville, LA on Sunday, July 27, 2014

Crutchfield Customer Review (What's this?)

Works just as advertised. Simply to install and put to use in no time,

Pros: Very easy to install and connect to bluetooth.

Cons: No cons thus far.I will just have to see if it lasts the test of time.

Great product

Written By Matt, Louisiana on Friday, July 18, 2014

Crutchfield Customer Review (What's this?)

Easy to use and it works great. I'm using it with a portable stereo.

Milennia MIL-BTREC Is Decent Solution

Written By Sean, Austin, TX on Thursday, July 17, 2014

Crutchfield Customer Review (What's this?)

Connecting this device is a snap. Configuring it to work with a Bluetooth device is also very easy to do. NOTE: The password of "0000" is used, which is written on a sticker that's on the unit itself - some people apparently missed this.

I use this unit on my boat where the receiver it connects to is in the lower deck. I like to keep my smart phone at the helm so I can operate it while listening. The distance from the unit to the helm is approximately 5' yet you do hear gaps that shouldn't occur. If I move the phone a couple of feet closer to the main unit, this problem ceases -- it's obviously a distance issue. Most Bluetooth technology gives you a 25-30' range and this seems to have about a 3-4' one! Some could argue that it's because I have it tucked up behind the main unit within the cabinet, but I assumed that's the whole idea (and it's surrounded by fiberglass so that shouldn't be something interfering with the signal).

Pros: Easy to connect & configure w/Bluetooth device

Cons: Range sucks!

Milennia MIL-BTREC

Written By Andy, Saginaw, MI on Tuesday, July 15, 2014

Crutchfield Customer Review (What's this?)

Split review only becusae i am sure it would have worked but my Marine deck was not compatible with it

Works Great

Written By Anonymous, Columbia, MO on Monday, July 07, 2014

Crutchfield Customer Review (What's this?)

Product works great and is very easy to install


Written By Doug, Anaheim, CA on Wednesday, July 02, 2014

Crutchfield Customer Review (What's this?)

Easy install, easy set up, works great!

Milennia MIL-BTREC

Written By Paul, Holden la on Wednesday, June 11, 2014

Crutchfield Customer Review (What's this?)

Great product

Second time is the charm!

Written By Grunt, Centennial, CO on Monday, May 26, 2014

Crutchfield Customer Review (What's this?)

First one I got was faulty, loud high pitch sound and when lightly touching the heat shrink around the device, it stopped working. Second one I got sent right out worked good. There is still a high pitch sound but very faint...

Pros: Great customer service when I called with the first faulty unit. Works every time when it is powered (by the ignition in the car) and when the key is turned off the music on my phone stopped. Easy to install and hide anywhere!

Cons: There is a chance that the first one may not work.

Works like a champ

Written By Anonymous, spokane wa on Sunday, May 18, 2014

Crutchfield Customer Review (What's this?)

Quite relieved to be able to stream to music from my galaxy s4 to my boat radio without having to replace the radio and the two hardwired remotes. Excellent product

Pros: No more wires

Cons: None

Milennia MIL-BTREC Bluetooth® adapter

Written By Roland, Palmdale, CA on Tuesday, May 13, 2014

Crutchfield Customer Review (What's this?)

First one smoked. Return and replacement went smoothly. Works great with my nine-year-old car stereo. Purchased a second one for my eight-year-old spa stereo system. Worked great on that system too.

Pros: Easy to hook up, costs for what it does is a good value.

Cons: None

Great so far!

Written By Erik, Fargo, ND on Wednesday, May 07, 2014

Crutchfield Customer Review (What's this?)

I installed this on my motorcycle to keep wires from hanging everywhere. The device connects to my Android phone very fast with good sound quality. Perfect solution to my problem.

Pros: Very fast pairing and connection.

Cons: None

Milennia MIL-BTREC

Written By Chris, Elizabethtown, NC on Friday, April 25, 2014

Crutchfield Customer Review (What's this?)

Saw this Product on Crutchfield when looking for a replacement Stereo Receiver W/ Bluetooth for my Boat and decided to give it a try. Went to Parts Store and bought a 12volt Male plug to power the unit and hooked it up to RCA connections in glove box and it works Great!! I plan on ordering a couple more for my other Radio's!

Bluetooth Receiver

Written By Paul, Corpus Christi, TX on Saturday, April 19, 2014

Crutchfield Customer Review (What's this?)

The first one i got fried as in smoking when i hooked it up. I was sent a replacement no questions asked. New one works, but I noticed only the music does bluetooth from my phone. Phone calls did not. Was disappointed because of this.

Pros: No wires to mess with

Cons: Does not put your phone calls on the speakers of your stereo


Written By Mark, Phoenix Az on Friday, April 11, 2014

Crutchfield Customer Review (What's this?)

Simple to install. Works perfectly with I phone and android.

Pros: Works as advertised. Simple to install.

Milennia MIL-BTREC

Written By Anonymous, 15126 on Thursday, April 10, 2014

Crutchfield Customer Review (What's this?)

Works great


Written By Dolph, Farmington, MO 63640 on Thursday, March 27, 2014

Crutchfield Customer Review (What's this?)

I bought this to install in a cooler boom box to take on float trips. At first I was concerned that being inside of the cooler it would have a hard time receiving a signal. Not only does it receive signal with the lid closed, it does it aproximatly 30 feet away! Which is perfect considering it will be in its own raft floating behind me. I have a 120qt cooler, 1000 watt amp, 4 6 1/2 inch mids and a 10 inch sub. I also have a stearo to RCA adapter installed to run my iPod directly to the amp using an auxiliary cable. The Bluetooth unit actually produces a better sound then using the hard wire.

Pros: Easy installation, better sound quality than an auxiliary cable, plenty of range

Cons: None

Milennia MIL-BTREC

Written By Anonymous, Arizona on Monday, March 17, 2014

Crutchfield Customer Review (What's this?)

Wonderful add on for any stereo with RCA in or Aux


Written By AM, LAs Vegas, NV on Friday, January 10, 2014

Crutchfield Customer Review (What's this?)

This is exactly what I was looking for. Installed it in my R32 and it works exactly as I expected. The unit itself was a little bigger then I expected.

Pros: Easy to use and easy to install.

Cons: none

Milennia MIL-BTREC

Written By Anonymous, san diego on Tuesday, January 07, 2014

Crutchfield Customer Review (What's this?)

Works good once hooked up, but the instructions didnt say it is called something else on the cell phone when searching. I had to call tech support.

simple Bluetooth installation

Written By Service Marine, Wichita, KS on Tuesday, December 24, 2013

Crutchfield Customer Review (What's this?)

a pretty basic install just use your aux inputs and hook to 12 volt switched source and you can stream music from phone to your radio

Pros: small package easy to install

Cons: has a slight feedback when music is not playing

This thing is trick!

Written By John, Rochester, NY on Thursday, December 19, 2013

Crutchfield Customer Review (What's this?)

During my boat audio upgrade I added this on so I could stream songs or Pandora or iHeart radio from my iPhone while anywhere on my boat. This unit does that perfectly. After I gave a demo to friends, they all had to have one. The range is very impressive as well. Very simple hook up and it paired to my Bluetooth easily. It's awesome to be able to pick and choose songs or control the volume right from my phone. If other guests have a song they want to play from their iPhone they can also pair up their device to my system. One time it would not pair up right away so I shut off the power to the stereo and turned it back on which paired everything right up. I would highly recommend if you are looking for an inexpensive and convenient way to upgrade your audio. I'm thinking of hooking one up in my truck as well.

Pros: Easy install Great range Clear sound Friends are impressed

Cons: Sometimes a delay in pairing up to your device

Great product.

Written By Anonymous, Denton TX on Sunday, December 15, 2013

Crutchfield Customer Review (What's this?)

So far it's good. I've only had it installed for a few days but it works like it's supposed to.


Written By Ernest A, Lancaster, CA on Saturday, November 02, 2013

Crutchfield Customer Review (What's this?)

I am completely satisfied with this product (Milennia MIL-BTREC). I have installed approximately four in stereo receivers without any problems what so ever. I will continue purchasing the them as needed.

Pros: Easy to install, works every time.

Cons: none

Music & Engine Noise

Written By Joe T, Ithaca, NY on Wednesday, September 04, 2013

Crutchfield Customer Review (What's this?)

This adapter works ok, however I am getting annoying engine noise along with the music. Had it professionally installed and after a second attempt to change it's location, I gave up and am using it as is. Tech Support at CF said it's probably a faulty AUX input on my 5 year old Alpine Unit that works great otherwise.

Pros: Wireless music streaming from any BT device through your car audio system.

Cons: Can hear engine noise over the audio system along with the music.

Great Bluetooth Streamer!

Written By akaHomerJay, Rogers, AR on Thursday, August 22, 2013

Crutchfield Customer Review (What's this?)

This little guy is a great value. Add bluetooth streaming to practically any system (especially if you get creative). Nice quality sound too.

Pros: Easy to use design

Cons: None for me.


Written By Mario, Seal Beach on Friday, July 05, 2013

Crutchfield Customer Review (What's this?)

Excellent product. Wish they had this a couple years ago before I wasted money on a head unit. Easy to install No plugging in. No complicated buttons from stereo. Great for off road cars. I just ordered another one for my boat.

Pros: Nothing to plug in, simple

Cons: No control of treble or base or balance.


Written By Fred, St Louis on Tuesday, June 11, 2013

Crutchfield Customer Review (What's this?)

Awesome product. exactly what I was looking for. Allows Bluetooth audio on radios that have rca inputs. very easy install and excellent sound quality.

Pros: Easy to install, excellent sound quality, made for marine use

Cons: None

Milennia MIL-BTREC

Written By Anonymous, Los Angeles on Thursday, June 06, 2013

Crutchfield Customer Review (What's this?)

Wow, when i first heard about this product a was skeptical, but once i installed and heard it for my self , i was sold, im ordering one more for my other vehicle..

Pros: easy to install, DYS

Cons: none

Great hard wired bluetooth

Written By JayR, Nashville, TN on Wednesday, June 05, 2013

Crutchfield Customer Review (What's this?)

Easy to install simple design. Works great. Installed in my boat and could not be happier.

Pros: Simple, hard wired power connection

Cons: Password required for login "0000" when pairing to Bluetooth no in the instructions. Maybe everyone else knows the default password for Bluetooth is "0000", but I was not aware.

Great Concept

Written By Matt, Chattanooga, TN on Wednesday, May 29, 2013

Crutchfield Customer Review (What's this?)

I really wanted to like this item. Wanted it on my boat. I bought the first unit and installed, but it had a short in it. The music would cut in and out any time the unit was moved or touched. Tried another BT source, same symptoms. Un-installed form the boat and tried it in my garage, same symptoms. Crutchfield is great, so I sent it back and got another. The second one came and right off the bat I tried it in the garage and there was tons of feedback/noise coming from the unit with multiple BT sources on two different stereos. I sent it back also. The third unit came. It worked great in the garage, no problems at all. I installed it in the boat, and it worked great sitting in the driveway. First time we used the boat at the lake the unit worked great at first, but then it started cutting in and out when we were cruising. Changed to my wife's phone as the BT source and it did the same thing. Finally decided I had enough and am sending it back too. I bought and will install an AUX plug so I can plug my phone into the stereo. Great idea, but poor quality.

Pros: Great idea when it works.

Cons: Poor quality.

The best bluetooth adapter

Written By 1R, Cookeville,TN on Thursday, May 23, 2013

Crutchfield Customer Review (What's this?)

Installed in my boat and RZR makes listening to music a breeze. No cables which is great on the boat. Unlike other Bluetooth adapters which have to be recharged this runs of the audio systems power. Would highly recommend.

Pros: Easy to install

Cons: None

Has many uses beyond marine stereos

Written By Donnie, Alabama on Sunday, April 28, 2013

Crutchfield Customer Review (What's this?)

This adapter is advertised for marine stereos, but it has many applications. In my case, I had no options for bluetooth in my 2005 GMC Sierra. By combining this adapter with a ipod interface I was able to create a bluetooth option. As long as you have access to a 12v power supply this adapter connects to anything that has RCA inputs. The options are endless.

Pros: Versatility

Cons: None

Hands-on research

What's in the box?

Download owner's manual

  • RCA-to-Bluetooth adapter
  • Instructions on packaging

Product Research


RCA-to-Bluetooth Adapter: The RCA-to-Bluetooth adapter allows your stereo receiver (equipped with a rear stereo RCA auxiliary input) to receive a Bluetooth audio signal. Now you can wirelessly stream music from your Bluetooth-enabled smartphone or audio player to your stereo receiver through its Aux input (the receiver's source must be set to Aux). You will still continue to control your music from your smartphone or other Bluetooth-enabled device. The adapter does not stream song/artist information to your head unit, nor does it offer hands-free phone communication.

Note: Once installed, you will need to pair the RCA-to-Bluetooth adapter with your Bluetooth-enabled audio device (from the device).

Connections: The RCA-to-Bluetooth adapter is equipped with two male RCA connectors which plug into the stereo RCA auxiliary input of your stereo receiver. The adapter also requires accessory power and ground.

Note: If your receiver has a 3.5mm AUX input, we suggest using a minijack-to-RCA cable (043183190, sold separately), in conjunction with two female-to-female RCA barrel adapters (04358075, sold separately).

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.