looking for some info on the UERM on some threads here , i came across this review/comparison by
SoundFreaq - well, it looks like i am fine with the K3003 for now
AKG 3003 and the UERM
I don't think this one is about one being better quality. For my tastes, I
prefer the 3003. I could see some preferring the UERM.
The UERM actually sounds more colored to me. It's thicker, and has a more present and immediate, powerful presentation.
I found the 3003 to to be bigger, more open and able to breath, more air, and a larger soundstage. The 3003 is a bit more laid back, but the timbral accuracy and organic presentation win me over. Think sweet purity. The 3003 is a smidgeon brighter, but not in a bad way. I feel the UERM a tiny but stuffy sometimes with its surprisingly robust bass, and more immediate presentation.
I find the 3003 to be a bit more accurate and refined all the way across the FR. And that to me, is more engaging.
I am swept into the purity of the music with the 3003. I connect with it more.
It's a more transparent window into the music, and pulls on your emotions moreso than the UERM. But I think the fun presentation of the UERM would call a lot of people's names. Depending on your genres, you may prefer that dash of color and immediacy.
I like huge, immersive soundstages, with breathing room. That's the 3003 for me.
So about the bass, the UERM is more robust and voluptuous. They both dig deep and have a nice punch. The UERM is more robust and colored.
3003 is more refined and organic all the was across the FR. So that would be the biggest difference in the mids. Again, the UERM is more colored and immediate in the midrange, but
the 3003 is more accurate and organic, and a bit bigger and relaxed due to the soundstage. Bass too follows this same convention. While the UERM is more voluptuous,
the 3003 bass is a bit more accurate, with nice texture, and more space to breath. Take that to the highs as well.
The 3003 is a bit brighter up top. I would say from about 8K and up, there is a small and noticeable difference that the 3003 has more treble by just a db or two. I think there's a touch more energy at 9-10k on the 3003, but it's negligible. And to my ears, more accurate. Even bright material on the UERM is pretty polite.
The UERM isolates more, and has a very secure fit, but it's also a lot to cram in your ears. I prefer the much smaller, and to me, more comfortable and smaller footprint of the 3003 on my ear. The 3003 have no security issues - as in it's still a tight fit. Just not too tight. I don't need to adjust them like I do the 1plus2.
Those are the biggest differences.
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the K3003 soundstage must be quite good i guess , another folk i asked he said he found it better , soundstage-wise to his K10....
ps : i also read again today the K3003-UERM comparison by
james4444 (fantastic write-up) and it also showed K3 as a 'better' iem