Brief Impression of DUNU-Topsound ALPHA 1 Hybrid Earbud
Jan 8, 2015 at 4:45 PM Post #18 of 25
  Nice review!
 
How is the performance on slightly noisy environment? 
Is there a little bit of noise isolation or totaly 0 isolation?
 
Any pictures of the other sides of the IEM?
 
Thanks!

I've updated my Review in the First Post, it now is expanded with a collection of additional Footnotes, and a set of pictures showing the ALPHA 1 with each item in the fit kit, as well as without a ring on it. If you need more viewing angles, let me know.
 
The isolation as I mention in the Footnotes varies. With the Silicone Flange Ring, "IEM Mode" so to say, it is like a closed headphone that is "lightly isolating"; and with other rings, it is like an open air earphone.
 
As for performance in a slightly noisy environment, this is where you may be surprised; the sound of these will easily shut out distracting sounds around you, and they're easy to drive.
 
May 17, 2015 at 1:16 PM Post #22 of 25
Definitely, as long as you don't have really small ear openings; these DO have rather large 16mm drivers, and the housings (in ear bud mode) need a bit of room to fit.
 

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