UDOO QUAD / O2 DAC / 1TB USB SATA / 60GB mSATA and a lot of acrylic glass
Based on the build i described here (volumio-lua4545-project-dac-usb-t696.html?hilit=LUA4545%20UDOO#p2597)
i improved the W.A.F a little bit and added a O2 DAC (headnhifi.com/dac/odac-rca) which creates an incredible sound.
Unfortunately the shairport implementation is still a task… as it crashes imedeatly when i connect my iphone…
For the rest see the pictures