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
Send any audio from your PC to AirPort Express units, Apple TVs, iPhones and iPods Touch, and even other PCs and Macs, 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 Windows gives you your audio on AirPlay devices all around the house.
What's New in Version 5
Party On With Bluetooth
Send your music to Bluetooth speakers and headphones! Airfoil now supports streaming to Bluetooth devices, including multiple devices at once.
Send to multiple outputs at once with a single click. Create one group for all the speakers in your house, or divide them into zones.
Team Up With Airfoil Satellite
The free Airfoil Satellite turns your devices into audio receivers, and provides remote control of both supported sources and Airfoil itself.
Home Page - http://www.rogueamoeba.com/