Soundstream VFT-6

Wireless 3-Channel FM Modulator/Transmitter


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This item has been discontinued

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  • Wireless 3 channel FM Modulator/Transmitter
  • Choose between 88.9, 88.1, and 87.7 FM frequencies
  • Stereo RCA composite inputs
  • Easy Installation
  • Shielded housing for noise rejection
  • 1-year Manufacturer's warranty

FM Modulator / Transmitter Specifications

FM Modulator Type
This describes the kind of FM modulator or transmitter.

FM Modulators typically wire directly to the radio and provide an input source to the stereo. The input is activated when the stereo tunes into a specified frequency. These usually require some intermediate installation.

FM Transmitters broadcast a signal that the radio is able to pickup via the antenna. Typically, these are more popular due to the easy installation.

FM Transmitter
Number of Frequency Channels
This is the total number of frequency channels that the item is able to tune into. This feature is common among FM modulators and transmitters.
Input Connection Type
This is the type of input that the unit accepts for its audio or video (if compatible).
RCA Stereo Composite Cables
Power Source
The power source is the method in which the unit receives power. Some units will be powered by batteries, while others will need to be plugged in to an AC or DC power source.
Integrated 12V DC
Made for iPod
This means that the item is designed for specific use with an iPod.

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
4 Star
3 Star
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1 Star

Average Attribution Rating


Sunland, CA

Verified Purchase
Redonculously Simple to use

July 13, 2016

The hardest thing about installing the VFT-6 was getting the power wires hooked up in the trunk. I mounted it on a sheetmetal platform under the rear shelf so the VFT-6 would have a short, direct line of sight to the FM antenna buried in the rear window. This also keeps it out of direct sunlight. Hookup was easy with the right cables from the MP3 player.

There are NO installation instruction, but all you have to do is hook up power (I used a switch to turn it off in case you want to listen to the radio station on the selected frequency) , plug in the audio input from the 'line out' jack of the MP3 player, select one of 3 frequencies on the box (In my case 88.9 MHz), tune to that on the FM radio and turn on the MP3 player. After that, just listen. Even with a relatively strong signal from a nearby radio station, the VFT-6 out-powered that signal and the MP3 music came in just fine.

There is some sonic quality loss, but in our case it's primarily used for books on tape on long trips, so for voice it's just fine.

Much simpler to use than the portable units that have to tune a transmit frequency that must be matched on the radio tuner. The VFT-6 is plug in, turn on, play music.

But Sonic doesn't carry it any more, so maybe there are some units elsewhere.

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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: Soundstream VFT-6