Need both to work
Pc/Mac application is free
Iphone app was free this afternoon 25/02/2011 but is now 59p for some reason.
Easy to install
Install on pc first
then play music
Had this working around the house and also streaming through an iphone/ipod dock.
Good qualoity and its FREE.
Stream all your music
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.
Plug your iPod or iPhone into your hi-fi and enjoy your favorite music program, web radio or streaming service in crystal clear stereo quality.
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 and PC.