Fiio FD1 is a budget IEM using a beryllium-plated 10mm dynamic driver. It is priced at 59.99$.
FiiO FH3 is the newest product from FH series by FiiO, it uses 1DD and 2BA per channel. It is priced at 149USD.
FA9 is an all balanced armature driver flagship from Fiio. It’s priced at 499 USD, and it promises to deliver top tier sound quality with 4 different sound signatures.