iPad3 to Krell HTS 7.1


I want to start playing HD download tracks. I propose to use an iPad 3 (64GB) connected to my Krell HTS 7.1, via Toslink or SPDIF cable, to perform the D to A conversion. Recommendation on required hardware and software to accomplish this task would be appreciated. What is the highest sampling rate I can achieve using this setup?

Thanking you in advance for your help.

Marcus
mgattmch
This article may help as a starting point:

http://www.soundandvisionmag.com/article/ipad-high-rez-digital-transport-rest-us?page=0,0

The 24/96 audio from iPad is surprisingly good. I use the $30 camera connection kit with a Centronics DAC for a great portable headphone system, but it also works as a feed into my home stereo as well.
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