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Griffin RocketFM / FM Transmitter for Mac and PC Computers | List Price: $39.99 Discount Price: $19.75

| Brand: Griffin Technology Binding: Electronics
Features: - Uses any frequency form 87.7 to 107.9
- USB Powered and controlled from your Mac/PC
- Any Mac (OS 10.2.8 or later) or PC (WinXP) with USB Ports
- Small and light, and requires no additional power source
Not really impressed [Posted on 2008-02-26] I'm not really impressed with the Griffin RocketFM. I purchased this unit for the sole purpose of hearing my streaming XM radio on my laptop into the other room. For some reason, this unit doesn't like Windows media streams. If I launched iTunes or something else, all went well. After Griffin customer service giving me the run around for nearly two weeks, they finally came to the explanation that it was just the program I was using. I doubt a streaming program made by XM would be THAT flawed. Definitely not impressed with this product at all. It's going in the closet with all the broken stuff.
Background sound and... [Posted on 2008-03-02] It's very difficult to find a free frequency in Canada. The sound is not clean, there is always a background sound. Good luck to find a way to place the RocketFM. If you move the wire or the RocketFM around the computer, the sound is good or very bad.
Best Sound Solution [Posted on 2008-03-13] I researched a bunch of different options on how to get sound from my PC to my stereos. I looked at everything from the portable FM transmitters for IPods to other entire house transmitters to the WiFi music and multimedia players. The RocketFM Transmitter appears to do as well as most anything else, is much easier to setup than the others (just plug it into a powered USB port and tune the stereo) and is by far the best value. Granted you can get some neat functionality from the media center type devices but expect to pay 100X the price, have much more difficulty setting them up, and have the same or worse sound quality problems.
Tips: For best performance tune your radio until you find a place where it receives as little sound as possible (preferably nothing but static) and then set the RocketFM to that frequency. I also got some interference at the lower end of the FM band from another computer so I found an empty space higher at a higher frequency and I get very good sound quality now.
Great for backyard music [Posted on 2008-04-10] I picked one of these up a few months ago for $13 when Griffin was clearing them out. Also have a Freecom MusicPal and OmniFi DMS-1 for side-by-side comparisons.
To add considerably to the signal strength and lower the noise, google for "rocketfm linux mod", and you'll find a very simple way to extend the unit's too-short antenna (just requires a bit of soldering skill).
Now, the sound quality and noise floor can't compare to the WiFi-connected MusicPal or DMS-1, but when the volume level of your player is tweaked just right, you can approach the quality of a commercial FM broadcast.
A big advantage to the RocketFM over the other two devices is that you just need an FM radio at the recieving end. If you've ever tried synchronizing a couple of media players in different rooms, you'll appreciate that it isn't even an issue with the RockeFM - all your FM radios will be in sync automatically.
I use mine primarily for broadcasting to the back yard. Just need a high-quality battery-powered FM radio, and I'm set for the weekend. I use a "green", low-power Linux thin client at the transmitter end, running Audacity. Once the frequency is set to an open frequency on Windows, it will stay set without power, so it can be moved to the Linux box.
great product why is it off the shelves [Posted on 2008-06-22] I had difficulties geting it, but once i bought it in ebay, I though thir product was great!
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