Where are you getting your numbers - profit over 700%? If so I want in!
Unless you know how many units they sell per month, and what are their expenses exactly, and how many people are employed, and amortized cap ex and R&D cost, you're just making shit up on the spot.
Lets say this thing moves two units per month, and each brings $4000 in pure profit (costs per unit $1000). If company has one employee. Now you've made $96000/yr.
Which is way less than a single competent engineer or entrepreneur in US is worth. Ie. they are losing money.
This is fundamental quality of very low-volume, very niche products. They are almost never priced anywhere near their bill-of-materials cost.
> micro-tonal instruments are prevalent in various cultures which weren't flooded by Europe and then North America by hundreds, if not thousands of years ago. it's pretty easy to find examples on countries inside Africa and Asia
So buy one of those then?