Mac users interested in Wifi2hifi station 1 generally download:
Use WiFi2HiFi to turn your iPhone into a wireless audio receiver for your stereo system or sound-dock. Combined with the desktop app WiFi2HiFi Station you can listen to whatever audio program is playing on your computer.
WiFi2HiFi Station acts like an additional audio output on your computer. This allows the application to provide streaming support for all popular audio programs on the Mac.