VICTOR JVC EP-FX9S-B Spiral Dot Earpiece (Size S / 6 pcs) Spiral dot is adopted as the inner wall of the earpiece Dimples arranged in a spiral shape suppress noise contamination Replacement earpiece to achieve clear sound It can be used not only as a replacement but also as an option for improving sound quality Compatible models: HA-FX 1100, HA-FX 850, HA-FX 750, HA-FX 700, HA-FX 650, HP-FX 500, HA-FXT 200, HA-FXT 200 LTD, HA-FXT 100