That depends how you value the M-100 and the Mixr. I believe that the Mixr have average sound quality and build but the reason they are overpriced because of the design and they're targeted for average music listeners. If you're a serious about sound then go for the M-100 because it's one of the...

With $4000 I would just get the Ultrasone Signature DJ Headphones instead.

Ultrasone HFI 2400 ($195) but since its open, you probably won't get the best sound quality of it while walking outside.

I'm planning to get a new headphone for my birthday. I know both are totally different headphones but I don't really know which to choose?

Quote: Awkward    

e17 is one of the lastest portable Amp/Dac fiio. It's even better than the desktop DAC e9 so you should try it out.

Quote: Hmm, I wonder why they have the same price now? I think that the 2900 used to be more expensive then the 900.    

Quote: Wow really, for a 15 years old you sure know lots of stuffs.    

I don't think they are priced the same.

I'm currently 14 years old. Share your ages!

Quote: Wow 50 usd -_- yeah... sure.......    

Quote: What is V?  

Quote: Ok, Thanks.    

Can anyone still help with those 3 headphones? I'm now kinda leaning to the 2900 since some people prefer them over the pro 900 from what I read.

Hey Laz, how did did the 2400s sounded to you, is it good?