See here for an in depth test: http://marlene-d.blogspot.nl/2015/06/review-fiio-x5-loaned-by-fiio.html
Pretty good, therefore. You might just possibly hear an improvement with an external DAC, but it would have to be a rather good one like a Benchmark DAC3.
Pretty good, therefore. You might just possibly hear an improvement with an external DAC, but it would have to be a rather good one like a Benchmark DAC3.