KZ ZS10 vs Etymotic Research HF5

The KZ ZS10 are slightly better critical listening than the Etymotic Research HF5. They have a more comfortable fit despite their larger than average earbuds. The KZ also have a better-balanced sound quality with a stronger bass, a better mid-range, and a more balanced treble. They also have a more durable and eye-catching design with a detachable audio cable. On the other hand, the Etymotic isolate passively a lot better than the KZ. They're also more portable and come with a case and more accessories than the KZ.