Just contributing my setup for anyone else trying to get a working combination of a Nexus 7 and a USB DAC:   ROM/kernel: USB ROM http://mehrvarz.github.io/nexus-7-usbrom/ (can also use the standalone kernel with other ROMS I...

The inside of the top cover should have a diagram of the various jumper settings, from what I recall when I had the Compass. One of the pictures in this post http://www.head-fi.org/forum/thread/385759/the-audio-gd-compass-was-designing-an-alternative-to-the-zero-dac-amp/2010#post_5420063 also...

sup :)

Please put me down as a tentative yes  First meet for a longtime forum lurker, but as I live in Burlingame I'd love to hear some gear (especially the Denons) and share some of my stuff!    Will bring:   Audio-technica ATH-W1000x Beyerdynamic DT990/600ohm   Audiotailor Jade ...