Here is an excellent deal on a well featured AV Receiver, this is the version with Airplay, the standard TX-NR515 does not have airplay, full info on this model here, http://www.intl.onkyo.com/products/av_components/av_receiver…
The TX-NR515AE receiver checks every box on your home theater wishlist. Our acclaimed WRAT system delivers room-filling sound through 7.2 channels with Dolby® Pro Logic® IIz expansion. Audyssey’s 2EQ®, Dynamic Volume®, and Dynamic EQ® systems are standard. A class-leading eight HDMI® inputs enable Dolby® TrueHD and Dolby DTS-HD Master Audio™ decoding, as well as the latest games and 3D movies; the front-panel HDMI Mobile High-Definition Link displays 1080p smartphone content; there are two HDMI outputs for connection of a TV and a movie projector; and Marvell’s Qdeo™ technology upscales video to breathtaking 4K (4096 x 2160 pixels). Want music? As well as AirPlay—which lets you wirelessly stream audio to your home theater from iPod touch, iPhone, iPad, or PC—there’s ethernet for playback of your multi-format PC-based audio library, and a number of superbly integrated cloud streaming and internet radio services. You can also physically connect your iPod, iPhone, or flash drive via USB. Input selection with InstaPrevue™ technology, overlaid OSD, multi-zone capability, and system control via Onkyo remote app are included.
Note: does not support 4k passthrough.