“iFi audio’s efforts have succeeded brilliantly. I’m often asked by headphone newcomers to recommend headphone amp/DACs that are not too expensive, but that also offer very serious high performance. Judging by the performance I observed from the BL, it perfectly fits that bill – and then some.”
http://www.hifiplus.com/articles/ifi-audio-micro-idsd-black-label
Many thanks Chris Martens for your review