Earbuds, those small in-ear headphones originally designed for use on the go with a Walkman or transistor radio, offered tinny sound without much audio range or depth. That time has thankfully long passed. These four models offer some of the most amazing sound you can get.

The following CNET staff contributed to this story: executive editor David Carnoy, CNET contributor Steve Guttenberg and senior editor Laura K. Cucullu. For more reviews of personal technology products, visit cnet.com.