The Airport Express is a great device when used in combination with iTunes – I thought. I could sit on my couch on my MBA, do some coding work while listening to my streamed Library (Mac Mini) not through internal speakers, but through my Harman-Kardon Hifi system.
Well, this setup has its flaws. What if I wanted to listen to Grooveshark for example? I would be stuck with the internal speakers. But no longer so, Airfoil comes to the rescue. This application can hook into system audio and redirect everything to Airport Express. There is added benefit for the old setup, too. Using the volume toggles on the keyboard will have impact on iTunes, now.
Setting this up is dead simple – like four clicks. You’ll figure it out.