GL HF. That type of chart can be VERY big lol.
Like this.
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I plan on having fun. I dunno exactly how far I’ll get, but I am looking forward to it
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Toxic Sewers >
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It looks like a Tin Hifi product map lol: T1, T2, T3, …
Goober’s IEM Upgrade Matrix
(version 1.0)
Follow the link here, and I will also put it in my top post for easy records and access as it evolves over time. (Or not, because older posts are locked. So I guess bookmark this one if you wanna find it later 
). I highly suggest checking this out on a monitor/laptop or a larger screen. This is not cell phone friendly.
But this is my record of what I suggest and recommend in most any situation, primarily considering price and driver type vs. tuning styles.
Hope this helps somebody out there 
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Thank you for that!
Great amount of work you put in here 
One comment to make it more readable even on computer is to lock the color code legend in each tab in first 2 rows as now you need to jump around tabs to decode.
Also - someone with programming skills (like chatgpt) may be able to build around this database and make a nice UI - like on hifiguides mainpage (that I believe not many are aware of) https://hifiguides.com/
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This is very cool, thanks for the hard work!
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great document/start! I will definitely look to it when I want to upgrade from my Olina.
the distinction between neutral-harman and neutral surprised me at first, but it makes sense after having read the explanations.
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Hopefully I’ll have heard some more sets and some of the sets in white can get a color
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Thanks for taking the time to go through. I will definitely take that feedback into account and look into how to change some of the formatting to do it in a way I’ll be satisfied with.
The reason I set it up the way it is was so that people would have to use the explanation page without just glossing it over (and then getting mad like “my favorite set is neutral to me, why did you call it Harman?”
Cause you know someone out there would not read the whole thing and then get mad
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I’m happy to share some of my iems for your database. I’ll PM you.
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By default, the sheet opened on a listing tab for me. If you force the opening on the definition tab, it may help too
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That’s what I was trying to do. It might be linked to whatever page I have it opened on when I’m tinkering. I’ll try leaving my master copy on the explanation page.
EDIT: thanks for letting me know. It should open to the explanatory page now. Let me know if it doesn’t
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I wanted to just highlight all of @GooberBM ‘s profound work and dedication within this hobby really quick.
I’ve known this dude for about 6-7 months now and even have had the opportunity to sit down and meet with the man him self on multiple occasions. I’ve said this in the past but I’ll say it again, his passion for this hobby is second to none and further more, his love for helping others with recommendations and contributing to this forum for all to see and digest cannot be denied. Hats off to you, Brandon 
this new matrix you’ve created will undoubtedly assist so many new comers and vets for years to come and the beauty of it all will be years down the road, when someone can reference this matrix to all for easy to follow upgrade paths and digestible price point and tuning recs.
You’re doing great work, brother / keep it up
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path of building for iems 
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The matrix has some great information. The upgrade path part is very useful.
I was impressed that the Kiwi Ears Quartet falls into your warm-neutral, Harman-neutral, neutral-Harman, and Bassy-Dark. That set has been on my radar, but I wasn’t sure.
I saw that @VIVIDICI_111 mentioned they fit like the OG Tea, which is the best fitting IEM I own. The two things combined make me think they are likely worth the $100, and his review ( IEM discussion thread (Part 1) - #7787 by VIVIDICI_111 ) did nothing to dissuade me.
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