At this price point you might as well be looking Custom In Ear Monitors.

A CIEM is made according to an impression of your inner and outer ear and handcrafted to perfectly fit your ear's unique anatomy.

They are not included here because their availability and pricing highly depends on your location and their cost easily goes beyond the scope of this website.

Just ask for a CIEM recommendation in the Daily Purchase Advice Thread instead. Your options can range between 300$ - 3000$