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  1. twister6
    Always learn something new about audio tech from your reviews ;)  Thank you!!!
    twister6, Jun 13, 2015
  2. money4me247
    excellent review & gorgeous pictures!
    money4me247, Jun 13, 2015
  3. Evshrug
    Nice review! Sounds appealing, though for something high-quality portable like this to NOT suit equally high-quality portable like the higher-end IEMs with 3-12 drivers does seem to be a head-scratcher. Good that it breathes new life into the classic Etymotic though!
    Evshrug, Jun 14, 2015
  4. AuneAudio
    Hello , thanks for the good review , we will upgrade  the headphone impedance in the next version of B1 , thanks 
    AuneAudio, Jun 15, 2015
  5. ClieOS
    Good to know. While under 1 ohm will be great, I think anything under 2 ohm will be good in my book.
    ClieOS, Jun 15, 2015