The outside world is loud. Sometimes too loud. If you commute, you know this all too well. A good pair of active noise-canceling headphones is exactly what you need to enjoy a little peace and quiet, even on the noisiest train.
Although blocking out a plane’s engine noise on a long flight is probably the best use-case scenario, there are good reasons to leave your pricey, $400+ ANC headphones at home when traveling.