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USA Spec Toyota Bluetooth® Interface

Talk hands-free and stream music in select 1997-up Honda, Isuzu, and Toyota vehicles (Model BT35-TOY)

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  • USA Spec Toyota Bluetooth® Interface

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  • USA Spec Toyota Bluetooth® Interface

 

Our take on the USA Spec Toyota Bluetooth® Interface

by Zak Billmeier
USA Spec

You never leave your phone at home — so why not have some fun with it when you're on the road? Connect USA Spec's BT35-TOY Bluetooth interface, and you can stream tunes and take calls while your phone stays in your pocket — even if you have a premium JBL factory system in your vehicle.

So let's say you're rocking out to streaming tunes and a call comes in. No problem — the BT35-TOY will switch over to phone mode so you can answer the call. It'll even announce the phone number that's calling. And if your radio is off when a call comes in, the interface will actually turn it on so you can talk hands-free.

See more info on this item

Highlights:

  • lets you talk hands-free and stream music through the factory radio in select Honda, Isuzu, Toyota, and Lexus vehicles
  • included wiring harness
  • included microphone
  • warranty: 1 year
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Product Research
What's in the box?

Download owner's manual

  • Bluetooth OEM integration module
  • Microphone (with attached 10' cable terminated by a male 3.5mm connector)
  • 59" Vehicle radio harness (CAS-TY35)
  • 9" T-harness (CAS-TA)
  • Owner's Manual
  • Limited Warranty sheet

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 open the box, verify contents, 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.

Features

Overview: The USA Spec BT35-TOY is a Bluetooth Phone & Music Interface for select Toyota, Lexus, and Scion vehicles (with or without JBL factory systems). The BT35-TOY lets you add Bluetooth hands-free communication and wireless music streaming to your compatible vehicle's factory radio. The USA Spec BT35-TOY includes a hide-away module, external microphone, radio harness, and T-harness.

Wireless Audio Streaming: The BT35-TOY supports Bluetooth Profiles A2DP and AVRCP for wireless audio streaming from a Bluetooth enabled device that can also be controlled from the buttons on your vehicle's factory radio or steering wheel. You can stream music stored on your Bluetooth enabled device or stream music apps (such as Pandora, SiriusXM Radio, iHeartRadio, etc.) that are playing on your Bluetooth device to your vehicle's sound system (all speakers will play). You can even skip tracks from your vehicle's factory radio steering wheel controls (other control functions will have to be done from your Bluetooth enabled device). You can control the volume of the music being streamed via your factory radio and steering wheel controls, or the Bluetooth device.

Note: Your Bluetooth enabled device must also support A2DP for audio streaming through your vehicle's sound system and AVRCP to control the Bluetooth device from your vehicle's radio or steering wheel controls.

Hands-Free Communication: The USA Spec BT35-TOY supports Bluetooth Profile HFP for hands-free communication from your Bluetooth enabled mobile phone, so you can take (answer/end) phone calls through your vehicle's factory radio. Your music will be muted and an audible ringtone will be heard through your vehicle speakers when there is an incoming call. The BT35-TOY will automatically switch to Bluetooth mode when there is an incoming call (even if your factory radio is turned off). The BT35-TOY uses advanced technology to turn your radio on and switch to the correct source to help you never miss a call while driving again. You can even have the BT35-TOY announce the caller's phone number through your sound system; and for most text-capable radios if you miss the announcement, you can view the caller's phone number on your factory radio's display (some text capable radios will only list 8 or 9 digits of the phone number).

Note: You will continue to use your mobile's phone touchscreen or keypad to make calls. The BT35-TOY only allows you to answer/end calls from your factory radio or steering wheel controls. Once you make a call from your mobile phone, you can carry on the conversation hands-free through the included microphone and your vehicle's factory sound system.

External Microphone: The USA Spec BT35-TOY includes an external microphone to carry on your side of the conversation (the caller's voice will be heard through your vehicle's speakers). The external microphone provides better performance in noisy environments than the integrated microphone found in many factory or aftermarket head units. The microphone is fitted with a 10' cable terminated by a 3.5mm connector that connects to the BT-35-TOY module. The microphone features an integrated, self-adhesive mounting bracket to mount the mic to your dash or windshield.

Note: The microphone measures 0.625" (w) x 0.8125" (h) x 1.25" (d).

Bluetooth Compatibility: USA Spec is currently working out a list of fully compatible devices. The current list of successfully tested devices include the iPod touch (3rd/4th gen), iPhone (3G/3GS/4/4S/5), iPad (1/2/3), Android G2, Galaxy, HTC MyTouch, Desire, and Sony Ericsson W518a (as of 9/26/2012). You will initially need to pair your Bluetooth device with the BT35-TOY, before operation. The BT35-TOY can pair up to 8 devices, but will only connect to 1 device at a time.

Note: Due to the differences in Bluetooth technology, some Bluetooth enabled devices may be incompatible, function improperly, or may not support all features when used with the USA Spec BT35-TOY. Please refer to the USA Spec website for the latest compatibility listings.

Vehicle Compatibility: The USA Spec BT35-TOY is compatible with select 98-2012 Toyota, Lexus, and Scion vehicles with or without JBL factory systems (as of 1/18/2012).

Make Model Year
Toyota 4Runner 1998-2011
Avalon 1998-2010
Camry 1998-2011
Celica 1998-2006
Corolla/Echo 1998-2011
FJ Cruiser 2007-2011
Highlander 2001-2011
Land Cruiser 2002-2009
Matrix 2005-2011
Prius 2004-2011
RAV4 1998-2011
Sequoia 2002-2012
Sienna 1998-2011
Solara 1998-2010
Tacoma 1998-2012
Tundra 1998-2012
Venza 2009-2011
Yaris 2007-2011
Lexus ES 300/330/350/400H 2002-2010
GS 300/350/430/450H 2005-2009
GX 470 2004-2009
IS 250/300/350 2001-2009
LS430 2001-2006
LS460 2007-2009
LX470 2002-2008
LX570 2009
RX300/330/350/400H 2000-2009
Scion xA, xB 2004-2010
tc, xD 2005-2010

Note: Please consult Crutchfield's Outfit My Car for your vehicle's specific compatibility.

Dip Switches: There are 4 dip switches that will need to be configured to match the make, model, and year of your compatible vehicle.

Installation: The USA Spec BT35-TOY plugs into the back of your Toyota, Lexus, or Scion factory radio. The factory cable gets unplugged from the factory radio and the included T-harness (CAS-TA) takes it place on back of the factory radio. Then the factory cable and the interface harness (CAS-TY35) plugs into the T-harness. The interface harness also plugs into the USA Spec BT35-TOY. Finally, connect the external microphone to the BT35-TOY's mic input and mount the microphone to your dash or windshield.

Note: An additional USA Spec adapter (sold separately) may be required to install the BT35-TOY in some Toyota, Lexus, and Scion vehicles.

USA Spec iPod Interface Compatible: The USA Spec BT35-TOY works with other USA SPEC interfaces, such as the PA15-TOY or PA20-TOY (sold separately). They simply daisy chain together.

 

 
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USA Spec Toyota Bluetooth® Interface Reviews

Average Customer Review:

32 people say:

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4 out of 5

BT35-TOY is worth it

Written By TedATL, Roswell, GA on Thursday, September 11, 2014
Crutchfield Customer Review (What's this?)
 
I had the old USA Spec adapter for my iPhone 4. I broke that one somehow and upgraded my phone to the 5, so I had nothing in the truck for a while. I bought this just so I could hear Sirius through the app and listen to my iTunes library. It hooks up quickly, and the instructions that Crutchfield provides are right on target, as always. The sound is a bit hollow and tinny, but it is good to have access to what I want to hear again. Thinking about replacing the factory JBL amp and speakers to get better sound as it appears that I will be keeping the truck for a while. And will be buying a Bluetooth adapter for my iPod classic so I can use that for my full collection.
Pros:
Ease of use, immediate Bluetooth connection, quick and easy installation. Very easy to run and hide mic wire up to center near the rear view mirror. Phone calls are great. No complaints of echo. Much safer than trying to hold the phone while driving. Can use forward and back controls on steering wheel to change discs and songs in iTunes. I have no regrets about buying.
Cons:
Seems pricey, but still cheaper than local retailers. One wanted $219 plus installation. Sound is a bit tinny.
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2 out of 5

BT-35 TOY

Written By Anonymous, Roseville, CA on Monday, September 08, 2014
Crutchfield Customer Review (What's this?)
 
Bluetooth, steering wheel controls worked great! Sound quality poor, no low end(bass) sounded like the music was being played in tunnel. The wired version sounds 10x's better
Pros:
Bluetooth
Cons:
Sound quality
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5 out of 5

Simply, a great device to add to you car.

Written By MarioP, Sacramento, CA on Wednesday, June 11, 2014
Crutchfield Customer Review (What's this?)
 
After having researched how to properly remove the different parts of the dashboard and A-pillar, the installation and i-phone setup of this device was quick and easy. I have been using this bluetooth interface for a week now and it is performing marvelously. It quickly connects to my iphone as soon as I turn on my 2005 Tacoma, and it disconnects when I turn it off. It switches the radio station/band off as soon as a call comes in. I can connect without a problem and listed to Pandora, Tune-In Radio, or Stitcher Radio. It is just a great device.
Pros:
Product performed as described. I will say, it even surpassed my expectations.
Cons:
Please, take your time to research online how to remove parts of the dashboard and A-pillar correctly so you don't damage the retainers.
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5 out of 5

Bluetooth interface on factory stereo

Written By ML, Sacramento,CA on Tuesday, April 29, 2014
Crutchfield Customer Review (What's this?)
 
Was unable to install double din aftermarket stereo in 2005 Avalon. Had to use Bluetooth interface to play iPhone music. Easy install. Just remove a few panels and plug and play.
Pros:
Hands free receiving calls from my phone. Playing iPhone music a plus. Good sound quality. If you are worried about someone stealing an aftermarket deck, this is a good way to go. Can use existing factory deck and gain Bluetooth.
Cons:
Since the interface is not a part of the original stereo must press play on phone to start music. If you were able to install new stereo with Bluetooth, music would start automatically every time you turn on ignition. Minor inconvenience but better than having no Bluetooth.
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5 out of 5

USA Spec Toyota Bluetooth® Interface

Written By Jason k, Cumming ga on Sunday, March 30, 2014
Crutchfield Customer Review (What's this?)
 
Easy installation. It worked immediately. Couldn't be more pleased with it. Especially after some guy at the local store told me I was going to need to buy an entirely new head unit. The one I have is fine. So this was a great alternative! Love the Bluetooth. The sound is good. and the mic picks up my voice pretty well. BT phone talk is very convenient. Great stuff
Pros:
Great sound. Easy installation. Bluetooth is extremely convenient. The box hides well
Cons:
I really can't find anything wrong with it
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4 out of 5

USA Spec Toyota Bluetooth® Interface

Written By Anonymous, Charlotte, NC on Saturday, March 15, 2014
Crutchfield Customer Review (What's this?)
 
Easy to install and works great, voice quality is great!
Pros:
Very easy to install and worked right away!
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4 out of 5

Works great and as advertised

Written By TomS, Peterborough, NH on Tuesday, February 18, 2014
Crutchfield Customer Review (What's this?)
 
Installed in my 2006 Avalon with navigation and it worked perfectly the first time. Good call quality and decent music at a bargain price.

I had tried another, more expensive, BlueTooth adapter that was advertised to work in my car but did not even after trying two units and several re-installations. The USB Spec unit installed in 30 minutes and worked perfectly the first time.
Pros:
Easy installation. Works just as advertised.
Cons:
Call quality is good but not great. I wish it displayed song titles on my display but wasn't really expecting that.
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5 out of 5

USA Spec Toyota Bluetooth Interface

Written By Kenbola, North Jersey on Sunday, February 16, 2014
Crutchfield Customer Review (What's this?)
 
This is an awesome interface. I had it installed professionally. Works sensational. As soon as you get into the car a voice comes on and tells you that you are connected. Phone calls are clear for me and caller. MUSIC sounds very good. Actually sounds better than my installed XM that was but in by the dealer 4 years ago. I have a Lexus RX350. Bluetooth in my car FINALLY without wires and no stupid earpiece. I luv this thing.
Pros:
sounds great. works great. invisible. dependable. well thought out product.
1 out of 1 people found this helpful
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4 out of 5

Safety First

Written By TimV, Kansas City on Wednesday, February 05, 2014
Crutchfield Customer Review (What's this?)
 
I purchased the bt35 toy mainly as a safety issue while talking on my cell phone. The hook up was easy with my factory radio in toyota fj cruiser. I also have existing usa spec iPod control they both work well together. It took some playing around with the dip switches to get it to function properly, but now it works great announces phone calls and as a bonus i can stream any content from my iPhone. Sound quality is great for phone use, due to the fact i have 9 speakers in the vehicle. The streaming audio quality is fair but not near as good as direct wired connection. The unit pairs with my phone automatically which is very convenient. The quality of the unit seems good, people tell me voice quality is good with the supplied mic which makes the purchase good for me. I like the fact fhat i have a stock oem radio that has bluetooth. iPod control and satellite radio. Buy this if you like your stock set up. It will modernize the features on older model cars. Crutchfield was great to deal with, prompt, efficient, fast shipping and great customer service.
Pros:
Safety, easy install, feature set
Cons:
none
1 out of 1 people found this helpful
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3 out of 5

Works, but not well

Written By Charles M., Chicago area on Thursday, January 23, 2014
Crutchfield Customer Review (What's this?)
 
First of all, installing this thing is not for the faint of heart. Professional installation recommended. Secondly, heed the reviews: The sound is crappy. In a 2007 Prius, all sound funneled through this device has a phasing problem. Calls to USA Spec brought confirmation that the company "knows there's a problem." But it had no fix and said none is in the works. That said, the device does allow Bluetooth connections and hands-free operation of some functions (like answer call, hang up, next track and previous track). But it doesn't let you STOP playback remotely. So your Pandora or Rivet app keeps playing even if you switch to AM or FM or turn the car radio off. If you want Bluetooth in your Prius and don't want to buy a whole new radio, this seems to be the best choice.
Pros:
It works, kinda and seems to be the best of a bad lot of products.
Cons:
It doesn't work well.
2 out of 2 people found this helpful
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5 out of 5

Very pleased. 2005 4Runner LTD JBL.

Written By Mike, New Jersey on Saturday, January 18, 2014
Crutchfield Customer Review (What's this?)
 
My wife wanted to be able to stream audio from her iPhone 5 and also have hands free calling. She was not looking for all of the fancy features that some of the newer head units have. The BT-35 was the perfect solution. It works great and has added some modern technology to an older stereo with a simple plug and play device. Be sure to follow the easy instructions and disconnect the battery as instructed before installing. I decided to skip this step and the device would work for 10mins then cut out. After restarting the car it would do the same thing again. Called tech support and found that disconnecting the battery is needed for the ECU to accept the new device.
Pros:
Old stereo now has modern features. Easy to install. Easy to pair. Works with steering wheel controls.
Cons:
Really can't think of any negatives. I'm very pleased with this product. 130.00 and my wife can stream audio, make hands free calls and I'm a hero. What more could I ask for.
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5 out of 5

Great product

Written By Ruku, Lancaster, pa on Thursday, January 16, 2014
Crutchfield Customer Review (What's this?)
 
Great product. I was hesitant in buy this due to other reviews concerning volume issues between taking calls and music. I was pleased that there was no noticeable volume issue. Easy to install and integrate with iPhone 2005 Toyota sienna
Pros:
Works with steering wheel controls. Sounds great, works great
Cons:
None
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5 out of 5

Easiest way to add bluetooth to your car!

Written By Paul, Woodbridge VA on Saturday, January 04, 2014
 
Really pleased with the product, couldn't be easier to install (literally just connect one wire and is ready), great sound quality, and I love that I can control my Iphone from with the factory radio buttons! I made my homework and this gives you the best bang for your buck!
Pros:
Easy to install , great sound quality. It just works! And the Crutchfield service is excellent, as always.
Cons:
None.
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5 out of 5

Easy to install and easy to use!

Written By Peter, California on Thursday, August 15, 2013
Crutchfield Customer Review (What's this?)
 
I installed the USA Spec Toyota Bluetooth devise in my Toyota and it only took about 15 minutes from start to finish, including wiring the antenna to the rear view mirror. and I must say that I am impressed. The sound for streaming music is great and the device controls in the car interface well with the Blue tooth as they said it would. It does not drop the signal or disconnect from the phone at all. I would recommend this device to anyone considering installing an after-market Bluetooth interface.
Pros:
Easy installation, programs easily, and works well and consistently.
Cons:
None that I can find so far...it has performed as advertised
1 out of 1 people found this helpful
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1 out of 5

USA Spec Toyota Bluetooth® Interface

Written By Anonymous, East Greenbush, NY on Wednesday, July 24, 2013
Crutchfield Customer Review (What's this?)
 
It was easy to install and works great for phone calls - my android phone connects reliably and the controls work as they are supposed to. However, the audio quality when using wireless audio streaming is terrible. There is an annoying echo sound that makes listening to podcasts very unpleasant. I have given up on using for this purpose. It is very disappointing for the price. If I were to start again, I think that I would have just spent the money to buy a new bluetooth enabled radio to replace the factory radio.
6 out of 6 people found this helpful
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5 out of 5

Awesome product, gives an old vehicle new life

Written By Eugene S., Arlington Heights, IL on Thursday, June 06, 2013
Crutchfield Customer Review (What's this?)
 
Installation was a breeze. The bluetooth module worked perfectly as I imagined it would. I listen to mostly podcasts so this is perfect for me. Some people have said that the music quality isn't as good as a direct connection type of solution, but to be honest, I think the audio quality is fine. It could be because I still have the stock speakers which aren't great to begin with, but I felt the audio quality was pretty good. The hardest part of the installation was routing the microphone (for voice calls) to the headliner, but I just tucked it away between interior panels in my SUV. Not hard at all, just the part that took me the longest to do. I have a 1998 4runner and it feels like I've given my SUV new life.
Pros:
Ease of installation, ease of use, very reliable
Cons:
None, really.
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1 out of 5

Music quality is Not good.

Written By RockyChicago, Chicago, IL on Friday, May 10, 2013
Crutchfield Customer Review (What's this?)
 
I was excited about this product. It seemed to be everything I wanted. The installation took maybe 20 mins, which is great (if you have the right tools at least). Here's the problems: The sound quality is poor. During a phone call the volume on the stereo had to be cranked way up (the phone volume was on max) and there was some distortion. On music playback the quality was just terrible. I mean no lows and the overall sound was hollow and echoed. My Samsung S3 was what was connected. My wifes iphone was a little bit better but not much. The sound quality for the price is a deal breaker, at least in my car anyway (2004 Sienna).
Pros:
Easy installation, connects easily.
Cons:
Poor sound quality on calls and music is a deal breaker.
3 out of 3 people found this helpful
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3 out of 5

2007 Lexus GS350. Works well, easy to install, but...

Written By tom m., phoenix, az on Sunday, April 07, 2013
Crutchfield Customer Review (What's this?)
 
Ok so I watched a youtube video of how to take the radio out of my 2007 Lexus GS350 and it took me literally 10 minutes to do it! sweet. I installed the BT interface which functions as a second CD player in the car and it worked immediately after syncing with my phone. Sound quality is as good as my CD player. I simply max out the sound on my iphone and then adjust via the volume controller in my car (steering wheel or radio). you can turn off audio cues by the device by simply pressing "scan" on your radio. You can accept calls and return to your audio without a problem but there is a minor flaw...read cons below.
Pros:
relays sounds through your car's audio as promised. The sound quality is equal to my CD player and I haven't had any issues with volume limitations. I can turn it up as much as my ears can take.
Cons:
1- the device is supposed to connect automatically every time you get in your car but it doesn't. sometimes it does and sometimes I have to manually connect through my phone's bluetooth setting menu. 2- when a call comes in, it doesn't connect to my car's inherent bluetooth mic and instead connects to its own mic which you would have to wire in the car. alternatively, you can just talk on the phone itself without bluetooth connection, or disconnect the phone from the BT interface device.
2 out of 2 people found this helpful
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5 out of 5

BT-35 TOY --- Great Bluetooth Product!

Written By lmjyahoo, Erlanger, KY on Friday, January 04, 2013
Crutchfield Customer Review (What's this?)
 
The BT-35 TOY is a 5-STAR PRODUCT! 1) Even with the holidays, shipping was very quick. 2)Installation start to finish in my 2007 Scion tCwas less than 1/2 hour. 3)The MasterSheet for the specific vehicle is very helpful and the installation instructions for the device are great. 4) The unit works just like it is decribed AND the steering wheel controls fuction perfect without any additional wiring harness. 5) Unlike other reviews, music streaming from my Iphone sounds great! I just received and installed the BT-35 TOY in my car this afternoon and am very glad I went with Crutchfield. As opposed to sellers on Ebay, etc, Crutchfield INCLUDES all wiring harness needed, PLUS the vehicle specific MasterSheet, Plus a 60-day return policy, PLUS a one-year warrenty. Much less expensive than replacing the Factory Stereo. In my tC any aftermarket head unit cannot connect with Factory Subs, and there is an additional wiring harness to allow the steering wheel controls to fuction. I wanted hands-free Bluetooth through my car speakers and now I've got it! Great Product!
Pros:
Easy Install Great sound (calls and music streaming) Much less expensive than replacing an all ready great system just to get Bluetooth. My head unit does not have texting capability, however incoming phone numbers ARE displayed! Didn't expect that.
Cons:
The ONLY negative with the BT-35 TOY (as opposed to my wife's Factory Bluetooth Head Unit) is you have to make the call from your phone and then the Bluetooth takes over. There are no speed dial keys or address book to pick from off the head-unit. After a call you then have to manually switch back to whatever funtion (AM/FM/CD) you had before the call. However, I was aware of all this prior to purchasing the BT-35 TOY and am very pleased with it.
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4 out of 5

Instructions could be Clearer

Written By AndyG, Arlington MA on Wednesday, December 26, 2012
 
Just installed this and it seems to work fine (2004 Toyota Highlander, base radio/CD changer). But it took me an hour longer to install than it really should have. The instructions give two possible options for connection to the radio:

a) Use the included 'Y' cable and hook one of the existing female connections to the male part of the 'Y', plugging in the female part of the Y into the radio in place of the existing female connection. b) Don't use the 'Y' cable at all and plug directly into an exiting (presumably open) radio connector.

What they don't tell you is one other option:

c) Use only the female leg of the 'Y' connector to plug into an exiting open connection on the radio, leaving the male leg dangling.

This would have been obvious had one been able to get a clear view of the back of the radio -- but unless you disconnect all the wires -- you don't get a clear view. Hence, I couldn't see that I had an open connector slot that would fit. All I knew was that none of the existing 3 female wiring bundles matched any of the provided BT-35 connectors.

Hope this saves someone some time.
Pros:
Seems to work. Can't yet comment on voice quality (mic mounted on windshield near rear-view mirror). Paired easily with Alcatel phone. No loss of CD functionality.
Cons:
Wish the directions mentioned that one leg of the 'Y' may not be needed.
1 out of 2 people found this helpful
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1 out of 5

Weak Signal

Written By JS, Sunnyvale, CA on Thursday, August 30, 2012
 
From a technical perspective, it does what it says. It interfaces, via Bluetooth, with an iPhone and allows music playback as well as hands free calling. Installation was super easy if you can twist a screw driver.

Where it falls severely short is in the sound quality for music playback. To achieve normal listening levels, the volume must be turned up 40% more as if the signal is insufficient. Furthermore, the lower frequencies are weaker than the mids and highs making it seem like you are listening to music through a telephone. No amount of bass increase on the stereo or iPhone is sufficient. I am about ready to return this product and put the PA-15 wired solution back in that did not have poor sound performance. For reference this is in a 2006 Toyota Tacoma with the JBL sound system with the BT35 configured either as SAT or CD1 version 1.0b17t.
Pros:
Does indeed interface with an iPhone 4+ via Bluetooth...
Cons:
Low volume, no bass, weak signal. I contacted their support number and got a "well, it's just kinda going to be like that, probably..." followed by a big giant shoulder shrug....
15 out of 15 people found this helpful
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3 out of 5

Good for calls, not great for music

Written By Jay, Chicago on Monday, August 27, 2012
Crutchfield Customer Review (What's this?)
 
I have a 2001 Lexus RX300 without premium audio/navi. This product installed super quick - no finding wires, no cutting or splicing. Just plug and play. It found my phone (iphone 4) right away, and connected without issue. Everyone says they can hear me loud and clear when making calls, and they sound great as well. The audio streaming is a nice feature, but the audio quality is sub par. I find that the cassette adapter produces a much higher quality audio than the bluetooth streaming. Overall, great product if you need to make bluethooth calls.
Pros:
Call quality. Ease of installation.
Cons:
Audio streaming
7 out of 7 people found this helpful
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5 out of 5

Great value and product.

Written By Sierraoaks, Shell Beach, CA on Monday, August 20, 2012
 
I have tried many different approaches to BT in my 2010 Toyota FJ Cruiser, all very disappointing until I installed the BT-35. Works like clockwork every time I turn on the ignition. The integrated volume as well as the track up and phone answer from the steering wheel is GREAT. Maybe my ear is not what it used to be, however I thought music sounded wonderful and audio books are the best. Installation was easy and mike placement next to the gauge array works fantastic. I just ordered one for my son for his birthday. Great Buy
Pros:
All is great!
Cons:
No cons considering the alternative, no BT.
1 out of 1 people found this helpful
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3 out of 5

Installs easily, music sounds awful

Written By Devon, Alexandria, VA on Thursday, August 16, 2012
Crutchfield Customer Review (What's this?)
 
The installation for this adapter was very easy, just pull the dash unit, plug this unit into the back and you're done. 10 minutes if you know how to pull a stereo. The receiver consistently pairs automatically with my Galaxy Nexus, and the Track up and Track down buttons control the Music app, and Track up skips to the next song on Pandora. That's very convenient, and much easier than fumbling with unlocking my phone just to change tracks. However...

What affects me more (and the reason I bought the adapter) is music sounds terrible through this adapter. I don't know if it's the case for all bluetooth systems or not, but the sound quality reminds me of the advent of MP3s (remember 32kbps files). Everything high end gets tinny and the sound as a whole gets a mechanical quality to it. This is especially true for classical music, but I can even hear the lot bit-rate chop in my heavy metal. And I'm not hearing this through a $4000 hi-fi system. This is apparent even through the inherent muddiness of factory paper cone speakers.

There are people that won't notice the difference, but I'd say about 50% of people won't be satisfied by the sound quality of this transmitter.

The included mic is as bad as every other mic I've heard. They all sound like you're in a bathtub. From what I can tell there is no place to hard-mount a mic that won't transmit a ton of road noise and echo. I'm okay with that, I don't use the Bluetooth for phone calls anyway so it doesn't affect me.
Pros:
Easy Install Factory Track Up/Down works with My Music and Pandora
Cons:
Sound Quality Sound Clarity Microphone Sound Quality
5 out of 5 people found this helpful
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1 out of 5

Not compatible with certain Toyota Vehicles with Rear Seat Entertainme

Written By TimG, Bend, OR on Friday, July 27, 2012
Crutchfield Customer Review (What's this?)
 
A little slip of paper inside the manufacturer's instructions, "Note 4 Revisions" explained how many of the features would NOT WORK with certain Toyotas with Rear Seat Entertainment. 98-06 Tundra, 02-17 Sequoia, 98-95 4runner, 01-06 Highlander, 98-05 Sienna. Crutchfield did not ask if I had this option on my Sequoia.

The install instructions weren't correct as the unit had to be installed in a different place - found out AFTER installing as Crutchfield instructed. I really liked the non-bluetooth model I installed in another vehicle. This BT model sounded awful and important features didn't work (for my car). Glad I bought it from Crutchfield as a full refund is coming with the return.
3 out of 3 people found this helpful
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4 out of 5

Pretty good way to add bluetooth streaming to older vehicles

Written By brianw13a, Toledo, OH on Sunday, April 22, 2012
Crutchfield Customer Review (What's this?)
 
Overall I'm really satisfied with this product. The call quality was excellent and I was pleasantly surprised at how good the music quality is. It was easy to install and get connected with my Android phone. The only cons I have is that on occasion it will drop audio (music) for a split second which I didn't have with the same phone and a factory stereo. The voice annunciation is a little annoying but I've heard rumors that it can be turned off. I have yet to find any documentation on that. Installation instructions where pretty good and I think I had it completed in under 2 hours - maybe an hour as I really wasn't paying attention. I was instructed to purchase the CAS-TLC which I suspect was used to allow both the CD changer and the BT35 to function. I found that the with the CD player connected that the BT35 would not work correctly and since I haven't touched a CD in years I decided to just disconnect the CD player. Having done that, I don't think I needed that cable as the BT35 would have connected directly to the factory stereo.
Pros:
Great sound quality. Easy installation.
Cons:
Voice annunciation, dropped music frames. In my case the directions called for a different cable which I purchased separately (CAS-TLC) - not sure it's needed for my installation.
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3 out of 5

The product works, but music sound quality, lacking

Written By kdogg, Dallas,tx on Friday, March 30, 2012
Crutchfield Customer Review (What's this?)
 
I was excited about ordering this product. I have not had any experience with bluetooth music streaming, but I figured it was worth a shot. The product was easy to install. Took me about 30 minutes. I had to find my own solution for installing the mic up the "A pillar" ; however, found a solution online. Back to the sound quality. I can tell you that you can hear your songs. It is a nice feature to have, but the bluetooth A2DP is just not ready for prime time. I was integrating with an iphone 4s, so I know that the streaming software on the 4s , should be the latest and greatest. I used the factory dips on my 99 4runner.

I called the makers of the bt35-toy and talked to one of their tech guys. I asked him if the quality is just 80% or if there was something I should do. He mentioned upping my iphone4s volume, but that is not it..... I just think the quality is what it is.
Pros:
The hands free calling works well. I can request iphone 4s siri commands through the mic and call out songs to play.
Cons:
The product works as designed, although sound quality (for music A2DP, is lacking in sound quality, especially at the top range).
3 out of 3 people found this helpful
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5 out of 5

Works great after some effort

Written By Frank, West Windsor, NJ on Monday, March 19, 2012
Crutchfield Customer Review (What's this?)
 
Ordered this for a 2005 Toyota Sienna XLE limited with JBL sound, NAV, and rear seat entertainment. Phone is an IPhone 4S

I had some problems with this install but after working with USASPEC it is now working great. Things you need to know:

(1) You don't need the CAS-NIS_EXT cable (instruction manual Page 4). They have now changed the instructions. You install the BT35 in the rear of the car, and extend the mic cable to the front

(2) The BT35 I got from Crutchfield was incompatible with my car. It was build number 1.0b7 - radio would not see it USASPEC sent me a BT35 with build number 1.0b17 - works fine

(3) I used dip setting 3 + 4 on My radio sees the BT35 as a CD changer. The factory CD and DVD are unaffected

(4) You can find the ECU by removing the right rear cup holder and storage bin. The bottom half of the ECU is visible behind the opening I found that easier than removing the panel. The socket you want is on the left side, bottom socket. Remove the bottom bolt for better access. Remove the courtesy light panel by the floor to snake the mic wire. I velcro'd the BT 35 to the ECU to keep it from rattling around
Pros:
Provides an elegant solution for integrating the iphone with the car radio. Can be controlled by steering wheel controls and radio buttons USASpec support was very helpful, both by phone and email.
Cons:
Took me quite a while to get it working. Text display doesnt show music titles Phone interaction seems to time out if it takes too long to set up the phone call. For example, if trying to voice dial with Siri it seems to say 'call ended' while I am still trying to establish a call.
4 out of 4 people found this helpful
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5 out of 5

Bluetooth interface module

Written By Anonymous, Powhatan, VA on Sunday, March 11, 2012
Crutchfield Customer Review (What's this?)
 
Works as advertised and was straightforward to install.
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1 out of 5

2007 Highlander Hybrid Limited w/JBL w/nav

Written By Justin, Portland, OR on Saturday, March 03, 2012
 
I hesitate to rate this product because, although it wasn't compatible with my system, it appears to be a quality product. I bought this to add Bluetooth connectivity to my wife's' 2007 Toyota Highlander Hybrid Limited. The factory unit comes in two double-din pieces, one for the cd/cassette, and one for the touchscreen that integrates display of the nav/audio/climate control/hybrid info. This integrated system is impossible to upgrade without loss of functionality to something. So, in an effort to [at the very least] add bluetooth connectivity, I purchased the BT35-TOY. Unfortunately, this unit would not function properly, regardless of the various jumper setting recommendations in the setup materials. Pairing the unit with my DroidX was easy, but use of the phone was impossible beyond that. On the most functional jumper setting, I was able to get the stereo to let me place a call, but I couldn't hear the recipient, and, the ignition had to be cycled in order to get stereo functionality back. Rosen used to make a unit for this car, but no longer.
Pros:
Easy installation with Crutchfield's instructions. Simple to configure. As always, Crutchfeild is a class act, they deserve our business.
Cons:
Didn't function with my particular head unit, but don't let that deter you if yours is different. Unit had a USB jack, but no instruction of its functionality in the product manual.
Crutchfield response on Wednesday, June 12, 2013
We do not list this product for that vehicle.
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5 out of 5

Awesome!!!

Written By Shannon, Burlington, NJ on Friday, February 24, 2012
Crutchfield Customer Review (What's this?)
 
This device is really neat. I get in my car and it connects. The voice says connected... If I have Pandora already loaded...I push the up button and it starts playing. If I get a phone call it comes up automatically. The reviewer ahead of mine was complaining about the voice saying connected. You can turn audio prompts off on the system.
Pros:
Very easy to install. Easy to use. Works good.
Cons:
Sound quality could be better.
1 out of 1 people found this helpful
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5 out of 5

BT35 TOY in a 2007 Tacoma

Written By Mike, Albuquerque, NM on Tuesday, February 07, 2012
Crutchfield Customer Review (What's this?)
 
Works great in my 2007 Tacoma. Paired up to my Droid Incredible the first try, and connects automatically every time I start the truck. Incoming calls display the last 9 digits on the factory radio, and the accept/reject function works from the up/down seek buttons on the steering wheel controls and the front of the radio. Call quality is fine, but as with any bluetooth or hands-free setup, it takes a bit of testing to get the volume set right to avoid too much echo on the other end. Audio streaming sounds nice and clear, and I love being able to advance tracks from steering wheel and radio seek buttons. This works for mp3 playback as well as streaming Pandora.
Pros:
Easy install, works just as described, and no more wires!
Cons:
Little voice says "connected" each time I start the truck. I like that my phone connects every time like it's supposed to, but the voice telling me will probably get annoying after a while. Overall, that's my only minor complaint.
4 out of 4 people found this helpful
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1 question already asked

I have a Sirius Stiletto and used to use the cassette adapter until it stopped working; end of tape sensor is bad. Installed the FM transmitter direct link, but the adapters are mismatched so it never stays connected. Can I use the output of my Sirius and somehow transmit to this thing? [ Search  Dec 23, 2013 ]
1 answer
  • Thanks for your question. I would recommend reaching out to an Advisor by phone or online chat. They will be able to help determine if this will work and help you make the best choice for your system and your budget. If it does not, then they will also be able to discuss other options with you. [ Jeff Staff  Dec 23, 2013 ]

For a more in-depth review and enhanced detailed information on the USA Spec Toyota Bluetooth® Interface, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_581BT35TOY/USA-Spec-Toyota-Bluetooth-Interface.html ).

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