Yes, Latin helps in case of headphones.
What kind of headphone do you have?
Oh, a circumaural one.
What the hell is that?
Oh, that’s one surrounding the pinnae.
Circumaural headphones surround the ear.
Sennheiser HD 800
Supra-aural headphones sit on top of the ears
Sennheiser HD 414
Intra-aural ends our Latin lesson.
These are placed in the ear.
Earbuds are placed directly outside the ear canal
B&O A8
IEM (In Ear Monitor) are inserted in the ear canal
Etymotic HF 5
Floating
Open
Bose Frames Soprano
Tiny speakers in the legs.
Bone conducting
Shokz OpenRun
No earbuds, no earrings but earplugs.
You can buy custom molded in-ear monitors.
You go to an audiologist,
He makes an impression of your ear,
Send it to the factory,
Wait until they ship your custom-fit IEM.
Oh yeah, you have to pay a substantial amount of money too.
Why not roll your own?
Take a pair of Sonomax Eers headphones.
Put them in your ears while attached to the thingy below.
Pull the trigger and don’t move your jaw for 5 minutes and you have your custom mold.
Source: eers™ custom fit earphones