Actually, I am using the included silicone tips for listening, although I do use foams to measure.
The funny thing is they sound less lean to my ear than to my eye.
The end of the nozzles on them are pretty huge (6.5mm)!
Yeah my regular measuring foams go over everything even B2 and fat boys but the OLA was making me lose my mind.
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No chance of them coming off in someone’s ear though 
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That bass response FOR ME just makes it a hard pass however, I’ve heard that for the $40 asking price, it’s decent for vocal representation.
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Thanks for that Paul. I think that volume levels are very important and not talked about enough.
I listen at low volume so sets like RSV and EJ07M seems that they are too laid back in the treble for me to enjoy them at low listening volume.
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Yeah, nearly shredded my Azla trying to pull them off
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Influencers be like 
…(such a dope track too)
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@hawaiibadboy could you measure the olina without any filters on? it was the only way i could fix the condensation issue and i wanna know if i can rec it to people that have trouble with this, but i’d like to know more confidently if it changes the FR enough for people to care about doing it thanks! - or anybody that has a measurement rig and an olina lying around
This morning I was in “such a mood” to give myself the “full drone” at the PC (workplace).
Just for “shit and giggles” I plugged the Mele into the 604 to see what happens:
First of all, a slight hum (also happens when I turn on my guitar amp) 
From a technical point of view, what happened next cannot actually be explained 
.
It was simple, perfect listening pleasure!
The mele opened, extracted, separated, beat the bass around my ears that it was just cracking… but everything was very precise and unbelievably clean & spacious & very definable.
That’s about a $200 combo (about $950 with the DAC I used 
) but it knocked my socks off.
Actually, I don’t like the Xduoo 602 & 604 that much and wanted to sell them again, but what the two do with inexpensive headphones + earphones is really fascinating.
---- so I keep them 
now ----
For example:
love them
&
From that point of view, I’m not so sure if @hawaiibadboy knows exactly which Rock + R&B weapon he helped to design.
Thanks for a couple of pleasurable hours with your creation 
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Glad you like bro! 
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It’s so nice to see the Tin T2 still getting love. Truly a legend.
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Happy to see you posting negative reviews. Please do more.
Having said that I’m not sure I agree with your conclusions.
You call this set “not neutral”, and not hi-fi.
What is your definition of neutrality? To me these are quite neutral (with the exception of the 20hz roll off).
Would you consider the ER2SE, also not neutral? Or an over-ear set like the HD600? (I accept these response curves should differ by virtue of outer-ear, vs ear canal effects on the sound).
My understanding of neutrality is generally related to some flat measured speaker in some room condition or alternatively anechoic. The elevation is bass as seen in a Harman target or your own target deviates from this based on preference, not necessarily based on “neutrality” per se.
Audibly impeding the replay is not neutral no matter how many people in the hobby say it is.
Like calling the HD800 an Audiophile set and on and on and on
Neutral is not engaged one way or the other.
OLA is obviously diminished/hushed/ tame/unnatural in the rythm/backbone of everything in my library.
Bassy
Shouty
Dark
Rolled
None are neutral and thus have their own terms.
OLA is rolled and it’s immediately obvious
P.S.
I will be doing negative reviews.
Considering these were also faulty I was pretty polite.
Vocals by my own demo do not seem to be impacted but I do not listen to podcasts
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Youtube told me my stats would be off for quite a while…it’s crazy.
I have to be thankful it was recovered at all
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Well, if I was to say all frequencies should be perceived on a sine sweep to be mostly similar volumes I would consider that neutral (for me the ER2SE produce this result almost perfectly, moreso than the HD600). Or if I was trying to reproduce the timbre of pink noise from a reference neutral speaker with the earphones (this is not something I have done or try to do) this could also be considered neutral.
I’m not sure the evaluation by library is particularly compelling, because it gets into circle of confusion territory. How can you say what your library SHOULD sound like? You can certainly say how you prefer your library to sound, but I don’t think that speaks to neutrality.
Anyway, not trying to be particularly dogmatic on the subject. My own perceptions and tastes are not exactly stable or fixed. On a bit of journey myself.
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I enjoy this stuff bro. You’re an articulate and polite person.
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