Help Me Design And Tune The Acoustics Of A Custom Open-back Headphone

$ 15.00 — 25.00 USD
Hi.

I'm an audio hobbyist looking to pursue the ideal of designing and building an entry-level high fidelity headphone from scratch.
My goal with this project is to be able to produce a few batches of  headphones for friends and family, and to potentially sell online.
Since starting this endeavour with a handful of sketches a while ago I've discovered through research that the acoustical engineering involved is far beyond the capacity of my high school maths and physics.
This has led me to the conclusion to reach out to experts such as yourself to ask:

Would you be able to assist me in designing an open-back headphone that has a relatively flat frequency response?

Any services that you can provide will be immensely appreciated, or even recommendations to whom I can further contact.
To showcase visually how far the project has come, I've attached a render of the headphone below.

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