“I really loves these JVC HA-FX3X iem. I have been searching for something that can hit as hard in the sub bass as my desk 4.1 system, which I did find the Sony MDR XB950 over ear and the MDR XB90EX iem, but neither had the highs for the snare and high hat. I found the JVC HA-FX201 that has a great sound signature, but it begins to distort under huge sub bass pressure. (I make bass music) I...” --aafanatic
“The sound in general is quite sparkling, open and well balanced for a single driver IEM. The first thing i notice is that the bass is a little flat and lacks a bit of depth compared to high-end multi-driver IEM's. It doesn't have that good punch, warmth or layered experience most high-end IEM's possess. Update: the bass does seem to be better now, could also because of a better fit...” --Xstream
GENUINE and ORIGINAL Packing same as Pictures. Provide Tracking Number ① treble balance of bass and treble to a reduction in peak improvement ② ergonomic design → improved fit inside the nozzle kkeokin ③ separated three buttons (volume up, down / playback, currency) → volume up-down adjustment Improved remote control key operation feeling → Speaker unit Units: * Type: ear type...