I side-by-side compared the two by connecting the WiiM’s coaxial output to the FiiO’s coaxial input. I also changed the K11’s output mode to line out by double-pressing the volume wheel. I then ...

This week, we’ve been looking at the FiiO K11 R2R DAC and headphone amplifier — a proper hi-fi bargain if ever I’ve used one. Here are five more thoughts on it. 1. The digital pre-amplifier inside the ...