Castanet

For those who haven't checked it out yet.....go to youtube and search for your favorite song in 8D.

The only requirement is that you MUST use headphones






A little bit of reading: https://melmagazine.com/en-us/story/why ... r-8d-audio

That's pretty interesting.
It's not a way that I'd ever listen to music, but if done well (instead of exaggerated gimmickry), I could see it making for the best surround sound in headphones for late-night movie watching.