Etymotic ER4 SR/XR and the new Music Pro

[@theaverageguy3884]

Im a Dj ans use headphones all the time. Will they work for me ?

[@leomaredcampos4941]

is ER-4 pro can reserve an IP of 5K IP addresses?

[@djfia9577]

Still waiting for the rechargeable new version. When is it going to be released?

[@Qumkuat]

A Cassic, haha