With Airfoil, you can now send any audio right through your AirPort Express. Use RealPlayer, Windows Media Player, Safari, and almost any other application with your AirPort Express. Using Airfoil you can also send audio from widgets and radios like the RadioSHARK, and tweak the audio with Airfoil's built-in effects.

Airfoil also adds the fantastic ability to send audio to multiple AirPort Express units at once. It's now possible to send audio all around your house right from your computer. Don't spend thousands of dollars on expensive solutions to get your audio throughout your home. "Wire" your whole house wirelessly, using AirPort Express units, and give your audio wings with Airfoil.