I have both IEMs and both have their own strength, and I LOVED both of them. A good amp do boost the PFEs to another level, and better soundstage to UM3Xs. The major differeces between both of them are
1) Soundstage: UM3X > PFE. Ultrasone 3D/binaural sampler tracks sound sooo real with UM3X.
2) Treble : PFEs have more sparkle and clarity than UM3Xs, but UM3X's treble sound more natural and relaxing.
3) Mids/vocal : Yes, UM3Xs wins. PFEs also good with better clarity and speed.
4) Bass: No comparison... UM3Xs wins. But, PFEs offers very fast, deep and accurate bass, but little bit lack in quantity.
5) Efficiency : UM3Xs is a very sensitive IEMs, and works well on any DAPs I tried/used. You can get ear splitting and irritating loudness from Touch 2G, but with PFEs, it just sound LOUD. Now, with UM3X I can hear my D10 picking clicking noises, when it is silent or no sound signal. But, all that disappeared with AD8656/bypass opamp combo.
Ultimately, UM3Xs and PFEs can make NE-7Ms sound like cheap USD 50 or less IEMs
Wait, but someone prefers NE-7Ms over UM3Xs. At the end, everything is depends on the personal taste.
http://www.head-fi.org/forums/f103/w...-ne-7m-432058/
tstarn06
Quote:
There is one HFer, can't remember his tag, who bought both and sold the UM3X, cause he said that using an amp (with the PFE) he really found the UM3X not to be worth the $200 difference. You would have to search, but I am sure it's in either the UM3X or PFE appreciation threads. If I can find it, |
Here you go
http://www.head-fi.org/forums/f103/p...ml#post5716886
Thank you.