You also can then control the volume of the music with your IOS device as well.  Sale includes the Airport Wifi device, an RCA connector cable, The Apple Airport Utility, and instructions on how to set up.  Once set up, the device will retain its setup memory and name which you can alter and show up on your IOS device under Airpplay devices.  I named mine Nuvo Zone 5.  You can also have as many of these devices as you want in your home.  If you have a multi-zone amplifier, you can stream music to any of the various inputs for playback on any zone.  Yes, you can turn an old school wired amplifier into a music steaming machine with awesome sound quality.  Device must be able to be connected to a Windows or Mac computer for initial setup via an ethernet cable.  After that, the device will work on your home wifi system.  Device also has a USB port which can be used for a network printer or other USB device on your wifi.  Email with any questions.  Sale only within the Continental USA