Audio Switcher is a Mac OS X utility that allows you to quickly switch your audio input/output between different components. It's designed to work with a device such as Griffin Technology's PowerMate. Audio Switcher sits in the menubar, making it conveniently accessible from any application. Place it in your Login Items and it will be available whenever you login. Audio Switcher can auto select any device you choose whenever the device is inserted or if the device is available at launch.