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Always learn something new about audio tech from your reviews ;) Thank you!!!
excellent review & gorgeous pictures!
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!
Hello , thanks for the good review , we will upgrade the headphone impedance in the next version of B1 , thanks
Good to know. While under 1 ohm will be great, I think anything under 2 ohm will be good in my book.