Creative announced availability of the new Sound Blaster Wireless for iTunes. With this device you can play iTunes, MP3 and all audio from a PC or Mac and transmits wirelessly to powered speakers up to 100 feet away. This is good solution, if you like re-arrange your speaker position to get better sound ambience. You can get The Sound Blaster Wireless for iTunes including a Creative Wireless Receiver at Amazon for only US$149.99.

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This is a really cheap and probably illegal shortwave transmitter, don’t build it. It just feeds the output from an LM386 audio amplifier directly into the power pin of a crystal oscillator can to produce AM-modulated shortwave radio frequencies. This works better than one might expect — this particular oscillator seems to provide a stable waveform with voltages anywhere from 2.0v to 5.0v!
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