I couldn’t find any threads for Tanchjim in the forum. It is one of my favourite brands from the Chi-Fi industry(basically because they implement single dd very nicely). Tanchjim Oxygen, Hana are some of my favourites with them. And now I have recently got the Tanchjim 4U. Here’s a picture of the beauty.
Atmosphere offers a wide, colored sound
Pop focuses on mid-range for vocal emphasis; Natural provides a balanced sound similar to Tanchjim Origin
Monitoring offers flat, transparent sound for accuracy.
Overall, the Tanchjim 4U is moderately bright and analytical but there’s some fun factor.
Funny, but I use the Hana 2021 for its soundstage and tuning for classical… I much prefer the Kato’s bass for rock and EDM, with its balanced sub and mid-bass. It is nice that we have so many options to address our musical tastes.
This isn’t the first time I’ve heard about Hana’s bass performance with double filter. Makes me want to try it. Can you let me know how to go about adding the double filter?
Other than olina nothing really touches oxygen, O2 2018 being the best oxygen, later revisions increased the bass. Origin can be a good alt. Haven’t tried it though.
The one I use regularly is the Tanchjim One DSP. They are my goto when I am out running errands. The app lets you tune them and the mic sounds pretty good.
I have both an Olina and an Olina SE, which are the same driver as the Oxygen, but with a better nozzle for most folks, and slightly better tuning.