I don’t normally cover earphones or IEM’s because I don’t find most models that comfortable, and I’ve suffered from ear wax issues in the past.
However, I can point you towards some reviewers who know their stuff in that department.
Crinacle is probably the gold standard for reviewing In Ear Monitor style headphones, and although he’s biased a bit towards the super high end as far as his overall coverage, he still covers plenty of cheap stuff too. You can sort his ranking list by price, and anything he gives a passing grade to is an excellent listen.
The Ranking List
S: Must try. Experience what the best has to offer. A: While not at the top of the summit, Grade-A IEMs are still very…
If you’re more into video, I enjoy Bad Guy Good Audio Reviews, though his blunt style isn’t to everyone’s taste.
Bad Guy Good Audio Reviews
Hawaii boy living in Japan and rubbing folks the wrong way so much it's like a full time job...which I enjoy. Into…
Finally, if you’re looking for a wireless ear bud, Gamesky over on Youtube is a good trustworthy guy, and he covers a lot of ear buds in between his standard headphone reviews.
Here’s a showdown of Skullcandy’s ear bud models he recently did.
As one final thing to make this response even longer, if you’re okay with an on-ear model and want the perfect intersection of cheap price (so it’s okay if they’re lost/broken/etc) and excellent sound, I can’t recommend the Koss Porta Pro, KPH30i, or KSC75 enough.
Hope that helps you out in some way!