Empire Ears ESR MK II In-Ear Headphones - Discontinued energiser amorphous metals never have a

amorphous metals never have a chance to form a crystalline structure like conventional metals

Delivers up to 5

This means a low cross section of the conductors

graceful level

Empire Ears ESR MK II In-Ear Headphones - Discontinued energiser amorphous metals never have aEmpire Ears announced the closure of their business on February 27th, 2026. While you can no longer purchase Empire Ears, you can browse our collection of IEMs. The Empire Studio Reference ESR has invariably found its way into the hands of recording and mixing engineers the world over. Endorsed by professionals from every corner of the globe, the ESR was the detail king of the Empire Ears line up, and now the MKII version's inclusion of a dual EST