Originally Posted by chiman
How do the triple fi 10s compare to the 4.Ais? Also have you tried the 3.Ai?
Unfortunately have bot heard the 3.Ai.
The TF10 only really does better in bass with better extension and more quantity while also having nice quality although not a fast or tight as the 4.Ai.
The mids are brough out a fair bit from TF10 to the Heir and also they are a lot more detailed clearer and have a more natural timbre.
TF10 have good highs but not quite as detailed and well textured as the 4.Ai, the TF10 are a bit metallic in comparison.
Soundstage has a lot more depth and better imagery on the Heir but is about the same width and depth.
The driver is a lot faster with the Heir and the overall sound is a lot clearer and more detailed, and never gets over whelmed.
The TF10 is a more fun v shaped experience but the Heir is the superior IEM. The Heir is more fun just because it is so true and detailed but does not have a fun signature like the TF10.