Astell & Kern AK ZERO1 In-Ear Monitor - Discontinued Color:Black 7 V lithium polymer rechargeable

7 V lithium polymer rechargeable battery Battery Life 7 hours continuous use (200 hours standby)

mid-range model

The result is a listening session that never gets in the way of your passion for hi-fidelity sound reproduction

ULE technology

and engraved with elegant logo by laser technology

Astell & Kern AK ZERO1 In-Ear Monitor - Discontinued Color:Black 7 V lithium polymer rechargeableAK 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