It was with the intention of trying out several headphones that I visited the store. Thus, I opted for these. But it didn't develop in tandem: after the purchase, the built-in amplifier got louder whenever the noise canceling feature was activated. With any luck, updating the firmware will resolve the issue. It ended up being correct. Everybody and everything went back to normal after the meal. However, in areas where email is particularly "noisy," music playback will pause as soon as the application is launched. The headphones' inability to maintain contact has worsened significantly as a result of interference. It's so awful it's funny: your phone is in the back pocket of your pants, the signal is weak, but if you tilt your head to the right, everything is fine. You can't restore the previous firmware or re-flash the headphones. I turned in the judgement of "exchange / return" to the business headquarters. They have several issues with this model, they say. To make matters worse, there is no assurance that the new headphones you receive in exchange for the old ones won't sound exactly the same. Sad to say I must give up. Added: Delivered to the shop for sale. The cash just arrived. Regrettably, your options have been severely limited. If only the fillings in Fiio EH3 NC were the same.
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