The Denon ASD-3W is an accessory designed for use with Denon's lineup of A/V receivers. It functions as a network adapter with both wired Ethernet and WiFi connectivity, and as an iPod dock. Once you connect the ASD-3W to your receiver and your network you can stream photos and music from your networked computers. For iPod playback simply, place your iPod in the dock. The ASD-3W retails for $229.99.