One such budget beast, and my personal favorite under $100 release from 2022, is the Truthear x Crinacle Zero.
TRUTHEAR x Crinacle ZERO Review
Truthear x Crinacle Zero Review: Harman Tuning for $50? –
Sony WF-1000XM4 Review: The Audiophile's Perspective – In-Ear Fidelity
TRUTHEAR x Crinacle Zero IEM Review
EarBud Review - TruthEar x Crinacle ZERO - NerD
Truthear x Crinacle Zero Review: Harman Tuning for $50? –
7Hz X Crinacle: Zero 2 - Reviews Headphone Reviews and Discussion - Head- Fi.org
TINHIFI T3 Plus 10mm Dynamic Driver in Ear Monitor, LCP Diaphragm HiFi IEMs Earphones : Musical Instruments
Truthear Zero - Reviews Headphone Reviews and Discussion
Linsoul 7Hz x Crinacle Zero:2 in Ear Monitor, Updated 10mm Dynamic Driver IEM, Wired Earbuds Earphones, Gaming Earbuds, with OFC IEM Cable for Musician (Silver) : Electronics