The four driver A4s is the latest "hybrid" custom in-ear from 64 Audio. Featuring a dynamic driver for added bass impact plus 64's signature "tia" and "apex" technology, the A4s is a tempting package for professionals and audiophiles alike.
The UE Live has been created by custom in-ear pioneers Ultimate Ears to be the ultimate tool for on-stage professionals. However, there's plenty of reasons why this CIEM could also be the perfect tool for you to also simply enjoy music on the go.
