Ge JasHO97686 Wireless Computer To Stereo Transmitter Review

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(More customer reviews)Both the Amazon product description and the enclosed documentation are short on information about the technology used, so I thought I'd share what I found out.
The unit broadcasts on some FM frequency. When I turned on the receiver without turning on the transmitter, I was getting some FM station, but I didn't track down which one. So this is like an MP3/iPhone FM transmitter you would find in a car, with many of the same characteristics.
Because the units are AC powered, and not limited in size, they can work a little better than the car versions. When I turn on the transmitter, the FM station completely disappeared, so the unit is putting out a good signal. When I had the units about 20 ft apart in line of site, they worked very well. I had to turn the volume up on the receiving end, which indicates they aren't modulating the signal very much. When I tried the usage I really wanted, not so good. Transmitting through a wall added some noise, and walking around near the signal path generated noisy interference. Transmitting from one floor to another generated too much noise.
It may be that providing a line level signal to the transmitter would provide better modulation, but most computers these days only have a headphone output. The signal problems result from using a low power FM frequency, which is probably the only way they can provide this functionality for such a low price. (Be sure to follow the instructions to have the two antennas parallel as this polarization makes a big difference for FM signals.)
The product basically works as advertised. It has limited (unspecified) range, and really wants line of sight, so the range drops dramatically through a wall. The music quality at its best is typical of low power FM transmitters. The nice thing about it is that it's so cheap that it may be worth a try if you need to remote some music. But don't count on it.

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GE HO97686 Wireless Computer-to-Stereo Transmitter

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U.S. Robotics USR6003 SoundLink Wireless Audio Delivery System Review

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(More customer reviews)When I received the SoundLink for my birthday yesterday, I wasn't quite sure if it would work very well, but I just installed it in all of 5 minutes, and it sounds wonderful. I did not need to read the directions at all - the installation is quite painless and intuitive. Here's how things work:
The system comes with two little black boxes - one is a transmitter and one a receiver. Each is clearly marked and powered by either batteries or a power adapter. I was afraid that the adapters would be the bulky kind and not fit on my power strips, but they were actually relatively slim and fit nicely. The transmitter plugs into your PC, Mac, or MP3 player through either the headphone jack or the audio out jack, where you'd normally plug in your speakers. The nice thing about the system, as another reviewer mentioned, is that the transmitter has an audio out jack into which you can now plug your speakers, so the music can be playing on whatever stereo you're transmitting to and at your computer as well. Or just your computer. Or just the stereo. No need to plug and unplug.
The receiver sits by your stereo, plugged into a power source or running on batteries. Here you have a choice as well - you can plug the receiver directly into your stereo using the color coded audio cords which are provided, or you can tune your FM receiver to a choice of stations and the receiver will broadcast to your stereo (you'll notice it has a little antenna wire attached). I tried both methods and think the direct route works better for me, but others here have different preferences depending on their location.
So far I've tried the unit with my PC (listening to the radio on the internet), on my iMac (listening to my MP3s on iTunes), and with my iPod. Each worked very well. Granted, as other reviewers have mentioned, the sound is not absolutely perfect, especially at louder volumes, but it sounds darned good. I also used my 900Mhz cordless phone while using the SoundLink, and did not notice any interference. For anyone wishing to listen to internet radio stations away from their computer (marvel of marvels), or wanting to listen to their MP3 collection, this is an inexpensive, cordless, and effective solution. I'm very pleased with my birthday present!

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