A fun review that we did recently. A bit tongue in cheek but pretty accurate and factual.
Many thanks to Gordon from IQAudio for his co-operation.
http://nwt-stuff.com/onewebmedia/Benchtests/2014-08-04%20Apples%20vs%20IQAudioPI-DAC.pdf
This poses a good question. What are the Key Performance Indicators that DIY Audio Listeners want to see in a review ?