Open Box unit, excellent condition. Complete packaging, full warranty.
The drivers are integrated using a custom 3 way crossover and a 3D printed mounting chamber. Zero1 are a bit tougher to drive, so use with a music player or dongle dac.
Astell&Kern ZERO1 are made in Japan, have an aluminum housing and a smooth, ergonomic shape, nicely hidden by its styled, angular exterior design. The high end braided cable is detachable with mmcx connectors, made from silver plated copper wire and has a right angle 3.5mm plug. Includes a case along with 5 sizes of silicone tips and M foam tips.