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I understand your concern. But how many phones and wireless networks are in your area, that you can not control? I mean neighbors have wireless stuff a lot, so even if you don't have any yourself, there is more and more of them going into and through you and your living area Good to know! My concern is somewhat in the other direction - not sure I want to have yet another 2.4G system here, as the frequencies are getting rather tight...

I'd say: check them out. And let me know how that goes

It's in the 2.4 GHz range. I have not had any drop out or interference from other stuff, even though I live in Copenhagen where there is massiv wireless stuff everywhere. I know that Dynaudio stopped counting when they reached 250 wireless networks at CES in Vegas, and didn't have one drop out or problem related to wireless stuff! Yes it's proprietary

Yes you can!

The DAC lives In the boxes. The Transmitter has analog Phono and mini Jack, digital optical and USB input. You can use one Transmitter with three Xeo systems So yes you can use the optical input for your TV, and the USB for music from your computer. Let me know when you auditioned them. Several of my friends are blown away too

There are written tests in German Hifi magazines: stereoplay 6/2012, eins null 2/2012, stereo 5/2012 and all are VERY positive

I have auditioned the Xeo3 system for now 5 weeks, and am blown away by the sound quality, and ease of use. They can be tweaked with better power and USB cables, but sound very good fresh from the box. The transmitter accepts 24/48 and not more. But I never have heard so good sounding files from my Mac (now I put all my Logan Vantage, lyngdorf tda and Linn DS stuff for sale) the last two-three years. They play deeeeep bass, and sweet highs, and sound much bigger then they are. I also listened to the bigger brother, the Xeo5, which IMO not has the same free sound as the Xeo3 Please audition them yourself, I am blown away by the SQ of these small pearls Best Regards Mit freundlichen Grüssen Klassen