The JB9, a unique set of earbuds, is designed for enhanced audio performance, comfort, style and carrying convenience. Although designed with a sense of fun, the JB9 delivers serious high quality sound from its proprietary custom design and tooling. Enhanced acoustic chambers built into the earbuds improve overall sonic performance and increase bass response for overall clearer sound...
“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