Best In-ear monitors under $350?


I currently have the Blon BL03 and Etymotic Er2xr. What are the options in IEMs under 350 that are definitely an upgrade over these two? I'm considering Moondrop Aria 2, or the Blessing 2. My favourite genres are Rock, Metal, Jazz, and blues. I prefer a warm neutral sound, but I'd like the mid-bass to be a bit more elevated than the Etys. Also, is BQEYZ Summer a good option?
jeff_66

ASR just measured a $50 IEM that he says are fantastic. Check them out, if you can get a pair.

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Yes, definitely go by measurements.  Can’t possibly go wrong there. At 50 bucks they must be the best bargain in all of audio.  Ehem.  I’ll recommend the Timeless 7Hertz as a great all-around IEM. 

Oh yes! Let's just dismiss a potential great bargain because it was done by a professional reviewer who relies on measurements as well as listening (headphone and EIM especially). All I'm saying is go READ the review, then make up your mind after you have more info, not before.