Nerd!

Sony DR-11 headphones from 1973, includes sliders for independent volume, bass, and treble adjustment.
https://www.future-forms.com/portfolio-item/sony-dr-11-stereo-headphones/

Graphic Designer, Illustrator, 3D Voxel Artist, and music enthusiast /audiophile
https://linktr.ee/andreaboi

Yeah, they look modern compared to other headphones from the ’70s, which are obviously outdated. The pads instead are not far from the average headphone of the time.
I think should have passive components for the volume and treble/bass.

Wow I would never guess they’re 50 years old! They look quite contemporary

Woah that's sick, I wonder how you would obtain one