Astell & Kern AK ZERO1 In-Ear Monitor (Open Box) - Discontinued 2.5mm male with a pleasant touch on

with a pleasant touch on the skin

SRM-252S (Driver unit for SRS-3100)

Input Impedance: 100 kΩ

Communication System: Bluetooth Version 4

with its built-in switchable phono preamp

Astell & Kern AK ZERO1 In-Ear Monitor (Open Box) - Discontinued 2.5mm male with a pleasant touch onAK ZERO1 The AK ZERO1 is a brand new In Ear Monitor product from Astell&Kern. Astell&Kern strives to inspire and bring enjoyment to all through the magnificence of experiencing music as close to the original sound. We worked tirelessly to find ways of helping more people enjoy the pleasure of music and strive to develop sound as true to analog as possible. AK ZERO1 is the first model that offers the sound that only Astell&Kern can provide. Three