iPodHD allows users to convert your iPod into a 5.1 Surround Engine. You can encode Movies/Audio/DVD directly to iPod with 5.1 Channels. Plug your iPod into any Surround Prologic, SRS Circle Surround, NEO Receiver/Computer- and restore the original 5.1 Channels. No Stereo Mix down, complete digital 5.1 for the iPod. For 2 Channel content, users can use the built in SRS WOW XT to add spatial 3D to stereo infrastructure!