For those who care. My Xduoo X3 review:
http://www.head-fi.org/products/xduoo-x3-dsd-24bit-192khz-cs4398-chip-lossless-music-player/reviews/16841
http://www.head-fi.org/products/xduoo-x3-dsd-24bit-192khz-cs4398-chip-lossless-music-player/reviews/16841