Hello
Explanation of all modifications to the HEDD Audio HEDDphone Two
You can see all readings in the database.
https://iemworld.squig.link/headphones/
For your information only: In reading, the differences are very slight. However, the speaker is clearly affected and the adjustment is directly clear to the user.
Readings for all amendments - and there will be more details for them below





Readings each compared to the original exact All readings are raw = REW
Original setting = white color
Edit = red
Tuning Foam

2Tuning Foam

DCA Black Foam

DCA Black Filter

DCA 1 Notch White Filter

DCA 2 Notch White Filter

=======================================
Foam Mod (2025)
First: The width of the foam piece is 2 cm.
I chose this offer because it gives the highest possible impact.
I tried the width to be 1cm and 1.5cm and they were all less effective.
In length:

On display:

F1


F2


F3


F4


F5


F6

