You are on a night bus from Hanoi to Da Nang. The driver is playing karaoke videos at full volume. A baby is crying three rows back. You have a client call in 20 minutes. This is not a hypothetical. This is Tuesday. The pair of cheap earbuds you bought at the airport are useless. You need something that works, not something that looks good in an Instagram ad. Most headphone reviews are written by people sitting in quiet offices. They test sound quality with lossless audio files. They do not test what happens when a rooster starts crowing outside…
