I wouldn’t call it euphoric, I think it falls slightly short of that but it has a nice even harmonic bias and generally sounds very smooth. Instrumental note body is very good but slightly north of neutral. It does sound a little closer to the Alien Gold’s flowing warmer timbre but with much better detail. Instrumental timbre does not sound digital or dry but it is not as laid back or as heavy sounding as the X5iii. It is a coherent low-end performance rather than a dominant one adding just enough weight and lower order harmonics to keep the C10 a very smooth listening experience. Thinks Opus#3 in terms of bass weighing and you would not be too far off. Bassīass performance is fairly linear with a decent extension and a touch of mid-bass warmth but nothing heavy-handed. The presentation is nicely balanced with perhaps a slight bias to its mid-range presence but nothing overly skewed. Tonally, and when properly impedance matched, the C10 is a ‘warm to natural’ sounding digital media player. All descriptions below are based on the use of an iFI IEmatch converter with various IEMs which negates impedance mismatching as well as some impressions using the neutral FIBAE 1 from Customs Art which also uses impedance mismatching busting technology.
Thus, low efficiency (low-z) IEMs will have an altered sound and we need to take that into account. That is higher than both the HibY Music R6 and Shanling’s M2s. I had to do a double check with Colorfly on this one and yes it is confirmed that the output resistance of the C10 is 16Ω.