In 2014 the AP100 DAP introduced me to Hidizs. The AP100 was a fascinating DAP. It boasted an antiquated, yet blazingly-fast GUI, robust build, and a nice, warm sound signature. Unfortunately it hissed. A lot.
Today’s Hidizs subject, Mermaid MS1 and MS4, are sensitive earphones and would have magnified every audible flaw in the AP100. Attached to the right source, they are brilliant-sounding earphones. Each is built around a proprietary 10,3mm dynamic driver, which powers the MS1 all on its lonesome. To it, the MS4 adds three balanced armature drivers to round out the highs and mids.Read More