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Interesting, he had a problem with the fit. Think that may be a deal breaker for me as well.
Has anyone the same opinion that the o2 and kpe sound the same? I bought the o2 in hope that the bass has more texture and plays faster. The bass on the kpe is a little slow or soft for my taste. I hope that the o2 is better. And the soundstage and depth of the kpe is a little to small. I hope that someone say that the o2 is better. ^^"
Yes, fit is a bit of problem. I've to use the smallest eartip to get a good fit and good bass. With the default eartip I couldn't get good fit at all and the bass was really weak.
@IryxBRO Complained about the fit too, in the Kanas Pro review, when comparing with the Oxygen. @HiFlight told me about the shallow fit too.
For me the fit is perfect with the original silicon tip.
actually to deal with that kind of stem, short nozzle, you need half or 1 size bigger than your usual size eartips, because you will insert it a bit further from your ear drums, and your outer ear canals are tapered or slightly bigger than your inner canals. I have experience with short nozzle iems like this
I was only able to get them working with Comply 500s. The sound is AWESOME with the right tips, but the fit was super hard for me.
Ears are weird, and a short stem just adds way too much complication to what are otherwise TREMENDOUS IEMs. Hopefully they get it sorted by O2 v2.
Like I said:
About fit, well, at least to me it seems Oxygen has much more issue with it than KPE and even to my small ears and ear-canals KPE nozzle is great. And imho KPE nozzle is not long, I`ve posted even pics compared to other IEMs like ZSN for example and they are same length! And even with lengthened tips placement (which affects sound) it is still great fit for me.
Will stop talking about KPE here as ppl seem to take defensive side when something "negative" is being told....
I think that I've always had pretty good luck with shorter nozzle IEMs... The longer nozzles were the ones which don't fit me very well. That said, I did find a tip that works great for me, and it's a little larger than a normal single flange silicone tip. It's the older Dita Audio single flange type. I odered a couple extra packs of them over the last few years as they seemed to be one of my go to choices for many IEMs I've owned. Anyway, I highly recommend giving these a try if someone has had Dita IEMs.
I was very interested about the Oxygen. But, after having seen some impressions almost putting the O2 in the same SQ level as the KPE, or even others liking the KPE better, I came to the conclusion they are a sidegrade. Bisides that, there are complaints about the fit. Considering the almost 100 USD in price difference (less with the massdrop version...), It is a Big NO for me.
according to BGGAR the impressions that O2 is superior to KP are false claims, also he said that both are in the same league in terms of sound, very similar and the graphs confirm that, the other interesting thing that he mention was the bass being less detailed than the KP, covering some details in his test track, if that is true the KP will be the winner here because of the more affordable price
lol did my post sound defensive or harsh? It wasn't my intention at all. I was just pointing out the reason I usually don't rely on graphs 100% because in my experience they tell just a small part of the whole history. But, since we're all happy with KPE it's all good.
My O2 tips of choice are:
1. UE900 Large (Green core)
2. Flares Gold Everyday Audiophile, size L.
Both seal very well on the OUTSIDE of my ear canal. IMO, the O2 is not designed for deep insertion.
Comply Comforts seal OK outside, but the Isolations do a great job of sealing inside and holding in my ears. I have super funky canals, so if I can get 'em working well, pretty good chance others can, too
Deep insertion is, as you mention, right out. I do wonder if the shallow insertion has anything to do with the massive apparent space. Listening to something like Adam Watts' Back To Earth on these is almost a spiritual experience.