I know a sound guy that works at concerts. He says that all the help use this app. Basically, it looks like it taps into the sound board and you listen to the music on headphones. That way you don't get your eardrums blasted out and the web site says the sound is better.
Right now it's only available for iPhone, but they expect an Android app soon.
Was wondering if anybody uses it and whether it's any good. MIXhalo
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