Rogue Amoeba Airfoil可将系统内任何软件的声音输出到Airport express 或者 苹果TV,iPhone和iPod ，甚至其他电脑和所有Mac同步 .

Rogue Amoeba Airfoil   | MacOSX | 16 MB

Send any audio from your Mac to AirPort Express units, Apple TVs, iPhones and iPods Touch, and even other Macs and PCs, all in sync! Use Airfoil with web-based audio like Pandora, music services like Spotify, Rdio, MOG, and WiMP, or any other audio playing on your computer. Airfoil for Mac gives you your audio on AirPlay devices all around the house.