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C. Crane FMT Digital FM Transmitter with AC Adapter
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C. Crane FMT Digital FM Transmitter with AC Adapter

by C.Crane
3.3 out of 5 stars  See all reviews (196 customer reviews)

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Product Features

  • Wireless transfer of any audio to any FM receiver
  • Highest Quality, full stereo on any FM Frequency of your choice
  • Listen to streaming audio from your computer on your kitchen radio
  • Send your MP3 audio to your home stereo system
  • Runs on AC power adapter or 2 AA batteries (not included)

Product Information

Technical Details
Brand NameC.Crane
Item Weight13.6 ounces
Product Dimensions7.4 x 4 x 2.3 inches
Item model numberFMT
Batteries:2 AA batteries required.
Discontinued by manufacturerYes
Technical Specification
Additional Information
Best Sellers Rank #207,006 in Cell Phones & Accessories (See top 100)
Shipping Weight1 pounds
ShippingThis item is also available for shipping to select countries outside the U.S.
Date First AvailableSeptember 29, 2003

Product Description

From the Manufacturer

Enjoy wireless transfer of any audio to any FM receiver with the high quality Digital FM Transmitter from C. Crane. The unit allows you to easily send satellite, computer audio, or audio from your portable MP3 player to your home stereo system or any radio in your house.

Finding the right way to connect your MP3 player, or computer audio, to a stereo system can be time consuming and frustrating. The C.Crane Digital FM Transmitter is the simple solution, letting you send a signal from any audio source to a stereo system or a portable radio without wires. The C. Crane FM Transmitter:

- Transfers virtually any audio to any FM Receiver.
- Features Digital Phase Lock Loop for drift free tuning in full stereo.
- Has exceptionally good frequency response.

The FM Transmitter is simple to use. Just plug the Transmitter into the line out or headphone jack of any audio device and set it to the frequency of your choice (88-108 MHz). You’re now free to listen to your MP3 player, portable radio, or computer audio--virtually any audio device--in another room and without the need for headphones. C. Crane’s FM Transmitter also:

- Offers highest Quality, full stereo on any FM Frequency of your choice.
- Transmits any audio, from MP3s to streaming audio or guitar songs to a home or car radio.
- Transmits audio from your computer on your kitchen radio.
- Plugs it into the earphone jack or line out of any audio device and set the frequency of choice.

Product Description

The FM Transmitter is a way to listen to streaming or MP3 audio. Just plug it into the headphone jack of your computer's speakers or sound card and listen on any FM radio anywhere in the house. It does this by taking the audio and turning it into an FM radio broadcast. Use it to send a satellite radio signal, MP3 audio, and more, to nearby radios around your home or workplace, even in your car.

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews
328 of 331 people found the following review helpful
5.0 out of 5 stars HOW TO FIX THE RANGE PROBLEM September 28, 2004
1) Open up the box,

by removing 3 screws (one screw is in battery compartment and the other 2 are under those circular rubber feet which are adhesive and once removed can be refitted afterwards)

2) Locate the variable resistor marked VR2 on the circuit board. (For those non-technical this is like a volume control that is operated by inserting a tiny screwdriver and turning fully clockwise). Turn VR2 to the fully clockwise position.

Viola! The power output will increase by about five fold.

If you want to go even further, then

a) sit it on a grounded metallic surface, such as a metal tray to form a ground plane.

b) increase the length of the antennae to about 75 cm (29 inches) which is the correct quarter wavelength at these frequencies.

But frankly, you are unlikely to need this once you turn up the boost.

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85 of 89 people found the following review helpful
3.0 out of 5 stars Worthless without the hardware mod July 12, 2006
Verified Purchase
I bought this to replace a LineX transmitter that has only 7 frequency settings, none of which are very usable in my area. We use it to broadcast audio from our Audiotron to radios in and around our house. The LineX has a good range for this use, 75-100 feet or so.

When I got the Crane, I loaded batteries into it, plugged it into the Audiotron, and turned it on. Using a portable FM receiver I found the range to be *3* (yes, THREE) feet. Using the AC adaptor did not expand the range, nor did adjusting either of the transmitter and receiver antennas, nor did adjusting the input levels.

So, I popped the box open and set the variable resister as other reviewers have noted. After this change I got a range closer to that of the LineX.

NOTE THAT THIS MODIFICATION VOIDS THE CRANE WARRANTY! Page 11 of the manual: "Removing the cover ... will void the warranty." The bean counters at Crane must be very happy about this; ship a product that can only be used by voiding the warranty, and you eliminate any returns. To be fair, there are no seals on the Crane, so you could pretend that you never opened it, but it's still pretty sleazy.

The Crane's input levels are touchy. I had to tweak the Audiotron output and Crane input levels many times to get a clean signal on our receivers.

The frequency display is LCD, with no backlighting. Depending on available light and the viewing angle, it's not as easy to read as the marketing materials would have you believe. For a static installation such as mine this is OK - find a good channel and forget it. For use on the go this could get annoying.

The ability to set a frequency between FM channels is very useful in avoiding interference from radio stations, and that's what I've done.
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39 of 41 people found the following review helpful
4.0 out of 5 stars Follow-up on audio issue March 10, 2004
By Doug W.
Verified Purchase
C. Crane informed me that they tested a unit and found the tones as I described them, but they do not have a solution to the problem at this time since this was apparently new information to them. I complimented them on their willingness to substantiate my claim in the lab rather than sending a boilerplate "we're sorry for the inconvenience"-type reply to my e-mail. Unfortunately it didn't solve the problem, but it did save me the trouble of returning it only to find the same thing in the replacement unit.
As I posted earlier, I was going to check out the Belkin TuneCast II...well, it went right back. The C. Crane unit overwhelmingly beats the Belkin unit for range (once the very simple power boost modification is done, that is), and even with the annoying audio tone, the C. Crane unit serves my needs much better for clearly transmitting throughout the house. The Belkin unit doesn't have a separate antenna, which severely limits its capabilities for range.
If you need a transmitter for the car, almost any one will do, but if you need one with range, the C. Crane transmitter is a good choice.
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24 of 24 people found the following review helpful
5.0 out of 5 stars AWESOME - nothing will be better at this June 13, 2007
By Brew
Verified Purchase
There are some negative reviews here -- please, before posting, read all the comments. If you're upset this does not have the range/power you want "out of the box" then write to your Congressman and ask them to relax limits the FCC places on these devices. Or "open the box" and tweak the master volume knob. Just know there IS a legal cap on performance for any consumer FM transmitter, and it is ignorant to blame the manufacturer. All transmitters are subject to this rule, and this one is unique because you can override that setting (at your own risk).

This device is unique because you can:
a) choose ANY frequency (not just 2 or 3 set at the factory)
But your results will vary by frequency. You MUST research what stations are used in your area, and find some "dead space" between channels. This sweet spot will vary if you are mobile between home and work, for example.

In my area, the default station 88.3 has a strong public radio station, so I found 90.5 worked best. There are websites that will show you station strength and distance based on your postal code... they help. Don't expect to get a good signal on a thin slice between 2 strong stations.

b) You can "boost" device power using the internal screw (VR2) trick documentd here. It works. Just don't turn it up more than you need... maxing it out can easily interfere with radio reception on or near your frequency choice. If everyone on your street can't tune in a valid station, you are asking for trouble from the FCC.

As a new owner, I should add the following about the disassembly:

Notice the "volume wheel" that protrudes through the case? That can easily snap off during disassembly.
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Most Recent Customer Reviews
1.0 out of 5 stars bad antenna connection
bad antenna connection, quit working with AC adapter almost immediately, had to open it up to increase the broadcast strength (still just barely enough) - mfr has 'how to' on... Read more
Published 2 days ago by Richard M Farkas
2.0 out of 5 stars the price was ok but
the range ( feet from transmitter ) is lousy. I suggest getting the FS CZH-05B FM transmitter or whatever they may have upgraded it to. Read more
Published 3 months ago by S. Frye
1.0 out of 5 stars cheap 3.5mm jack DO NOT BUY!
This product is very good for the first few months. I enjoyed it working for a while. The range is just fine when I used it for my car. Read more
Published 14 months ago by B. Earley
4.0 out of 5 stars Great for the price
Purchased this transmitter to avoid putting a speaker bar in the living room. Once the VR2 mod was done (5 minutes), the signal is available throughout the house and reaches... Read more
Published 14 months ago by Amazon Customer
1.0 out of 5 stars Utterly useless...
Bought it to send our satellite radio audio downstairs to our basement family room. Tuned it with a quality grundig receiver so I knew what the output frequency was supposed to... Read more
Published 21 months ago by john galt
3.0 out of 5 stars Product has a quality control problem
I bought this product two or three years ago. It worked for a few days and then worked only at close range. Read more
Published on April 26, 2012 by gb
5.0 out of 5 stars vr2 goes counter clockwise now
The vr2 now has to go counterclockwise to achieve full power,and there are no holes in the bottom of the case. Hey Crane what the F***.
Published on February 16, 2012 by docrambo
5.0 out of 5 stars A very useful product
I use this to replace a battery-powered version. This works much better, especially after I turned up the transmit power as explained by another reviewer. Read more
Published on February 5, 2012 by A. H. Firman
1.0 out of 5 stars Terrible signal strength
Out of the box, the signal from this device only reaches about 5 feet. There is also a persistent hissing noise. Read more
Published on January 13, 2012 by K. Pong
1.0 out of 5 stars 100% Useless
I can get horrible sounding audio to come out... IF, i hold the antenna in physical contact with the antenna on my radio. Read more
Published on January 9, 2012 by NDGeist
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