TechPowerUp posted a review on the ThieAudio Monarch MKIII In-Ear Monitors
A quote from the article:
ThieAudio updates its popular Monarch line of in-ear monitors with the Monarch MKIII. It uses a 10-driver tribrid configuration, including a dual DD isobaric setup, to offer excellent bass and mids reproduction. There are also several custom shells/face plate designs to choose from for an additional cost.ThieAudio Monarch MKIII In-Ear Monitors Review