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iSimple Tranzit BLU HF (ISFM2351)

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General Features:

  • Mobile Phone Integration For Any Vehicle
  • Supports Bluetooth Music Streaming (A2DP) and Hands-Free Calling (HFP)
  • Wireless control of music playback with control button
  • Launch your Phone’s VR function to: Text, E-mail, Get directions
  • 3.5mm audio output for vehicles with aux input for optimum sound quality, but also has standard Motorola style antenna connections which allow for installation into any radio with a standard connector FM antenna, even 12 Volt amplified antenna systems
  • Antenna input and output for universal radio compatibility
  • Dash-mountable control button for controlling your streaming music, answering calls, and launching your phone’s VR functions.
  • Find your destination with your phone's navigation using voice controls. Hear turn-by-turn instructions.
  • Professional Installation recommended
  • Vehicles with different antenna connectors will require antenna adapters (sold separately.)
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

What's in the box:

  • (1) Radio input module
  • (1) Noise-cancelling microphone with visor clip
  • 1) Control button
  • (1) Wiring harness


Second Depth
The second depth is used only when the box is slanted or angled. This value is the top measurement and it is measured in inches.
The front-to-rear depth of the item, in inches. If the item is angled or slanted, this value is the bottom measurement.
The height of the item, measured from top to bottom, in inches.
The width of the item from left to right (side-to-side) measured in inches.
Color of handle.

Warranty and Return Policy

Parts Warranty Duration
90 days
Labor Warranty Duration
90 days
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

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1 Star

Average Attribution Rating

Browse 15 questions and 49 answers
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Why did you choose this?
Sonic Electronix Store
The only unit i could find to fit my 2005 S430
Randall V on Apr 1, 2015
great product, lots of features at low price
Alex P on Jan 28, 2015
Wanted to upgrade my factory system with a clean set up.
Sean N on Feb 1, 2015
Its cheaper than buying a bluetooth headunit.
Mike S on Jan 14, 2015
What do I need for 04 dodge Ram 1500 w/stock cd radio? V6-ISFM2351
Cliff on Sep 13, 2014
Best Answer: Hello Cliff,

If your question is 'what do you need in addition to the ISFM2351', then you seek the following TWO antenna adapters;

Metra 40-CR10 [From Factory Ant to ISFM2351]

Metra 40-CR20 [From ISFM2351 to Factory Headunit]
Reply · Report · Customer SStaff on Sep 13, 2014
· Add Answer · I Have This Question Too (1)
If I am using my car radio to listen to other FM stations different from the frequency that the isimple is set to use, will I need to switch the radio back to the isimple FM frequency to use the isimple? for example, if phone rings and I want to answer, or if I want to listen to recorded music from my phone - must I set the radio to the isimple frequency?
m w on Sep 12, 2015
Best Answer: First, I just want to mention that other radio stations will not work as well as they did before if your phone is connected to the iSimple. They will still work but will not be as clear as before (i.e. they may be staticky), especially if those radio stations are closer to the channel the iSimple is broadcasting over (I left mine at the recommended 88.1).
To answer your questions, yes - you will need to switch back to the radio channel that the iSimple is broadcasting over to use either the music or phone features. If you have a call coming in but you aren't tuned to that channel, then you will probably easily miss it because you won't hear it and will only notice the call coming in if you happen to see your phone's screen. This doesn't work like the Parrot MKi9000 which overrides whatever the speakers are outputting at the time (radio, CD, etc.) when a call comes in or you want to listen to music. The iSimple works best if all you want to do is use your smartphone to listen to music or take phone calls through your phone. If you would prefer to be able to use the car radio or anything else besides your smartphone most of the time and simply have your smartphone override the car's speakers when a call comes in (which is what brand new cars with stock bluetooth systems can do now), then I would go with something like the Parrot MKi9000.
Reply · Report · Ken S on Sep 14, 2015
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What will i need to install this isfm2351 into a Chrysler 300 2007?
A shopper on Apr 4, 2015
Best Answer: I can't speak specifically for your 300, however I do have an '04 Grand Cherokee that is also a Chrysler product. During my installation, I needed a pair of antenna adapters as my Jeep uses a different connector than those on the iSimple. I think the connectors on the iSimple are Motorola, while my Jeep antenna and radio has Chrysler connectors. You should be able to pick those up locally and you'll need both the male and female ends. Other than that, an inline splice or fuse tap to get your switched power and either a couple of butt connectors or a soldering iron and some heat shrink tubing to connect the button to the unit. That's it, pretty simple installation.
Reply · Report · Jim M on Apr 4, 2015
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Will the ISFM2351 BT adapter work with a Pontiac 2006 G6 GT which has a Monsoon factory installed stereo system?
Royal L on Feb 16, 2015
Best Answer: This product can work with ANY radio. If you call the manufacturer like I did with a couple questions they can tell you anything, they know their product very well. By the way it works great, better than expected, not one complaint, highly recommend.
Reply · Report · John S on Feb 16, 2015
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can any smart phone be used with this system or just an iPhone? also can you pair and use more than 1 phone at a time or does this only allow 1 phone to be paired and used at a time. my question is about the iSimple Tranzit BLU HF (ISFM2351) (they didn't have a thumb to choose that one)
Thank you
dizzyb on Aug 10, 2014
iSimple ISFM2351
iSimple ISFM2351
iSimple ISFM22
iSimple ISFM22
Best Answer: Any smartphone with Bluetooth can be paired with this system, not just iPhones. You are able to pair more than 1 phone to this but I believe you can only use 1 phone at a time (like all other car bluetooth systems - I've never seen or heard of one where you can have more than 1 phone paired & being used at the same time). If you want to see more info about it simply Google the ISFM2351 and click on the iSimple website. If you want to look at the manual, Google "ISFM2351 Manual" and click on the Neo Car Radio link. Hope this helps!
Reply · Report · Ken S on Aug 20, 2014
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How is the sound quality?
A shopper on Mar 28, 2016
Best Answer: The sound quality is good but you loose radio reception with this unit. I would suggest just getting a Bluetooth radio
Reply · Report · Mike S on Mar 28, 2016
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How long is the microphone wire?
A shopper on Dec 12, 2014
Best Answer: Not sure of exact length, but at least 15'. If you install your module near the center console, it will easily wrap underneath the driver's steering wheel to the side of the car, up & then back over to the middle of the roof (if that's where you want to install it, which I recommend in case the passenger needs to talk as well).
Reply · Report · Ken S on Dec 13, 2014
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Will I be able to use this in my 2005 H2 Hummer?
Brian K on Jan 4, 2015
Best Answer: Hello Brian,

Yes; The iSimple Tranzit BLU HF (ISFM2351) is as universal as you can get. It uses the existing Antenna Input (on the back of the OEM headunit) to make a connection. For your specific vehicle, assuming the OEM Headunit, you will also need the Metra 40-GM30 kit.
Metra 40-GM30
Metra 40-GM30
Reply · Report · Customer SStaff on Jan 4, 2015
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Hello, I was wondering if I need an antenna adapter to install on my 2002 toyota camry?
Thank you.
hoss1920 on Jul 31, 2016
Best Answer: If it's and American spec car, you shouldn't need an adapter.
Reply · Report · tim g on Jul 31, 2016
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Can this be connected in any way other than through the FM antenna?
Olaf S on May 13, 2016
Best Answer: No. There are only antenna connectors.
Reply · Report · Greg M on May 13, 2016
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i have an srx cadillac2004willan isfm 2351universal give me handsfree calling?
A shopper on Mar 4, 2015
Best Answer: Hello,

Yes, that is the intended use of the ISFM2351 . Your vehicle will require the Metra 40-VW30 .
Reply · Report · Customer SStaff on Mar 4, 2015
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Are there any contracts after the pitches for using the service?
michael h on Jan 14, 2015
Best Answer: Hello Michael,

The ISFM2351 doesn't provide a 'service' , its just an addition of a Feature. Point being, NO CONTRACT OR FEES after the purchase.
Reply · Report · Customer SStaff on Jan 14, 2015
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So if you install this you can't listen to the radio at all?
Sadye R on Dec 14, 2014
Best Answer: Hello Sadye,

That is not true. When a call comes in, it will Only interrupt FM 98.1 , not the ENTIRE frequency range.

Technical Support:
Phone: 866-931-8021 (toll free in the U.S.)
727-572-9255 ext.230 (Customers Outside of the U.S.)
Mon-Thurs 9am-7pm EST
Friday 9am-6pm EST
Sat 9am - 7pm EST
Reply · Report · Sonic Electronix SStaff on Dec 15, 2014
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Is there anything extra to install this in a 2002 Jaguar XJ8, and if so what is required?
A shopper on Sep 20, 2014
Best Answer: Hello,

Our fit guides do not suggest that your vehicle will require the Antenna Adapter(s) specified in the description . Feel free to confirm with Metra (the maker of said adapters) for an accurate response.
Reply · Report · Customer SStaff on Sep 22, 2014
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Product Summary


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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: iSimple Tranzit BLU HF (ISFM2351)