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  • iSimple IS31 Antenna Bypass FM Modulator for Factory or Aftermarket Car Radios
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iSimple IS31 Antenna Bypass FM Modulator for Factory or Aftermarket Car Radios

by iSimple
| 23 answered questions

List Price: $44.95
Price: $25.45 & FREE Shipping on orders over $35. Details
You Save: $19.50 (43%)
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
  • Universal aux audio input for all FM radios
  • Compatible with any factory or aftermarket FM Radio
  • Play almost any portable device directly through your radio
  • Just tune your FM Station to the RadioMod channel for clear, clean audio
  • Audio connections and docking cables sold separately
See more product details

Frequently Bought Together

iSimple IS31 Antenna Bypass FM Modulator for Factory or Aftermarket Car Radios + Belkin Audio Y Cable Splitter 1-Mini Plug, 2-RCA Plugs (6 feet)
Price for both: $29.13

Buy the selected items together


Product Information

Technical Details
Item Weight9.6 ounces
Product Dimensions7 x 5.6 x 1.9 inches
Item model numberIS31
WarrantyONE YEAR
Weight9.60 Ounces
  
Additional Information
ASINB002U5XPBE
Shipping Weight1 pounds (View shipping rates and policies)
ShippingThis item is also available for shipping to select countries outside the U.S.
Date First AvailableMay 15, 2009
  
Warranty & Support
Warranty, Parts: Parts
Feedback
 

Product Description

Antenna Bypass FM Modulator

Customer Questions & Answers

Customer Reviews

This was easy to install and works great!
PilotPeat
After figuring out how to take my dash apart the install was very simple.
rpd8228
Much better sound than through an "FM transmitter".
James Gittelson

Most Helpful Customer Reviews

67 of 68 people found the following review helpful By Jeff W on March 14, 2012
Verified Purchase
I've had this item installed in my wife's car for over a week now, and we're getting so much use out of it I've already ordered a second for my vehicle. That's how highly we think of it.

We both own GM vehicles (hers: 2007 Chevy Malibu Maxx, his: 2004 Chevy Trailblazer) and neither stock radio had an aux-in port for our Apple products (iPad, Nano, or iPod), our daughter's DVD player or PS3, or my Samsung Galaxy S II. We travel quite a bit by car, and we enjoy sharing the entertainment instead of having everyone put on earphones while the driver gets control of the radio by default. We had tried the cheaper FM transmitter, which had mixed results on the Trailblazer. All brands (and we tried 3 different ones) were all a miserable failure on the Malibu Maxx due to the fact that the antenna is located at the rear of the vehicle. Since FM transmitters have a short transmission radius, the antenna was always too far away to be effective. We also tried the Dynex cassette adapter with the Trailblazer, but the audio was murky and muffled.

We don't like removing perfectly good stock radios from our vehicles, so after researching other alternatives on how to integrate our various audio devices, I decided to give the modulator a try. I'm a fairly handy guy, and while I had never gotten too involved with any of my vehicles' wiring in the past, this seemed like a relatively straightforward task. I was pretty accurate. The installation took about 2 hours total on the Malibu, and I'm sure it will go faster with the Trailblazer now that I'm familiar with it.

A few things you need to know:
1) Know how to remove the trim from your vehicle to successfully remove/access your radio. I did a Google search and found the exact walk-through I needed.
Read more ›
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17 of 19 people found the following review helpful By Michael Kesow on June 30, 2012
Verified Purchase
I bought a brand new Suzuki Kizashi and much to my dismay it does not contain an auxiliary input. WHY!? My initial solution was to buy an FM transmitter at Best Buy. After about 5 minutes of usage I knew I'd need a better solution. It reduced the volume by about 30% and constantly had some level of static.

My first FM modulator was the Scosche FMMOD01. I hooked it up and there was constant static at all volumes. I tried two different 12v sources and two different ground locations but the static wouldn't go away. Maybe I got a bad one. But I decided to try something different.

Today my iSimple IS31 came in the mail and I just installed it a short while ago. Now THIS is what I was looking for! I hooked it up to the same power/ground locations as before and am receiving all but zero static. There is a small amount detectable when you have the volume cranked with the MP3 player off. But that is beyond negligible. The volume gets nice and loud and there is no loss in sound quality.

One thing I did which I think makes things a little easier. There are two 12v sources in the wiring harness for the radio, a constant and a switched. The switched only delivers power when the key is turned over. So I hooked up the 12v wire to the switched wire and eliminated the on/off switch that comes with the iSimple (just cut the plug and solder the two wires together)
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9 of 10 people found the following review helpful By Amazon Customer on September 30, 2011
Verified Purchase
Just finished installing in my Mazda Protege 5, no problems ... just find your power and ground wires to/from the radio and splice it in. No adapter needed for antenna on mine.

Sound is good and clear from my Blackberry. I like Classical so needed something without all of the background noise of an FM transmitter.
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2 of 2 people found the following review helpful By Joe Sixpack on May 19, 2014
Verified Purchase
Installed this on an older Honda Goldwing (1998) to be able to use a CD player, iPod, etc. Works exactly as advertised.
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2 of 2 people found the following review helpful By Clayton Kerr on August 29, 2013
Verified Purchase
I have a work truck that I am not allowed to change the stereo in. This was my work around to a Aux-in jack to listen to my music through. Stand alone FM Transmitters did not work in my work truck very well, but this works like a champ. Only complaint is the gain is a little low, so even with it turned all the way up, the local radio stations are still louder.
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4 of 5 people found the following review helpful By Mark on August 17, 2013
Verified Purchase
I've used several socket style FM modulators in the past and they all have terrible audio quality, battery noise, and trouble fading in and out during a road trip. This thing is totally different. It does require some installation work, but it's definitely worth it. I have been using it for over a month with absolutely no problems. The audio quality is very good, there is no noise or interference and it never faded out or lost signal once, even on our annual 4-hour road trip to the beach! If you experience any audio artifacting it's probably because the output on your ipod, zune, mp3 player is too high, turn your device down one or two clicks from max and it will go away. That occurs when the audio signal from your device is too hot.

You will likely need an antenna adapter kit if you have a GM like I do. I used the 'Scosche Mda-Kb 1988 and Up Gm Micro/Delco Antenna Adapter Kit' for my 2006 Pontiac Torrent. Worked perfectly! You'll also need an RCA to mini cable if you're going to be using your phone, ipod, Zune or mp3 player with a 3.5mm headphone jack. I'm using a 6' RCA to Mini 3.5mm cable. I installed the IS31 behind the dash next to an access panel for the fuse box and ran the 6' cable out to the center console area.

The power switch installs easily with a 9/16" drill bit. Most drill bit sets only go up to 1/2" so you might want to check your tools to see if you need one these before you checkout.
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Most Recent Customer Reviews


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