Final Audio has revealed its latest pair of IEMs in the A-series. Since the release of the A8000, Final has been working on more affordable options that meet the high standard of flagship. Both the A3000 and A4000 share a similar look, but both of these earphones have been built from the ground up.

Both the A3000 and A4000 will feature the same f-Core DU driver unit, a 6mm dynamic system newly designed not only for the driver unit such as the diaphragm, voice coil, magnet, magnetic circuits, adhesives, but also the production machinery used in the manufacturing process.
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https://majorhifi.com/final-audio-announce-a3000-and-a4000-iems/