Nio In-Ear MonitorsNio is the 64 Audio first high driver count hybrid UIEM featuring a 9mm dynamic driver and 8 balanced armature drivers. The drivers and other patented components are housed in an ergonomic shell machined out of solid aluminum. Similar to some of our other unique faceplates, Nio is finished with a naturally sourced striking blue abalone faceplate making each pair truly unique. "A decently clean bass boost, well balanced tonality with the added benefit