
Reference tuning with good tonality and top-level resolution.
I highly recommend against blind-buying and suggest to have a listen to the IEMs yourself. By all means, use this to shortlist what you should try in the future but don’t take it as gospel.
This list is meant to be used as a reference point. Please do not get too offended if your favourite IEM isn’t graded as highly as you’d like. Yes, this is the opinion of one person on the internet. This is could be due to lack of interest or lack of enough ear time to make a proper decision on tier placement. If you can tell, some of the IEMs on the database (that I’ve tried) are not in this list. A (non-complete) list of IEMs that I’ve tried can be found on my measurements database. Prices not directly available in USD are based off the exchange rate during the time of writing. I will still be talking about them in my subreddit if I ever get the opportunity to try such units. Unreleased products will not be included in the ranking list until they are officially out of preorder stages or have production units sent to distributors. This will revert to the most recent unit tried if there is a significant time gap between the last and most recent times I tried a particular model. I cannot guarantee that what I’m hearing is what you will be hearing.
Because of this, I am not accounting for unit variation.
Ranks will be determined based on the best unit tried. I’m only human I may miss out on certain details or traits that may only be apparent with repeated listening. Expect changes. Any other use of the term “unit” will be universal. A “Third party custom” is someone else’s customs that I forcefit into my ears. Customs tried will be specified as “custom”. Most of the IEMs in this list are determined based off (universal) demo units from shops. They are ranked according to what I think is “objectively” the best.
The IEMs are not ranked in terms of price-to-performance value. are ignored unless they interfere with the sound itself. Fit, isolation, durability, build quality etc. The IEMs are ranked purely by sonic performance. It takes me 2 minutes to measure an IEM, you honestly think I don’t have time to listen to it as well? ↓↓↓ READ THIS: Notes & Disclaimers ↓↓↓ My work on measurements is separate from my reviewing work. “You’re the measurements guy! You measure more than you listen! I’m not going to listen to you! “