Product parameters:

Brand: iriver/Astell&Kern

Model: AK ZERO1

Drive Type: Hybrid Drive Unit

- Miniature rectangular flat plate dynamic unit

-Customized balanced armature unit*2

-5.6mm dynamic unit*1

Connector: MMCX

Shell Material: Aluminum

Frequency response: 25~30khz

SPL: 96db

Impedance: 16Ω

Total Harmonic Distortion: 0.7%

Packing list:

AK ZERO1 cavity*2, 3.5mm MMCX headphone cable*1, silicone sleeve*5 pair, sponge sleeve*1 pair, storage box*1.

Main features:

1. 3 different types of drivers.

The AK ZERO1 consists of a flat plate dynamic unit, 2 balanced armature units and a 5.6mm dynamic unit combined to tune the characteristics of each unit.

Tiny rectangular flat-panel dynamic unit: crisp, dynamic highs.

Dual custom balanced armature units: crystal clear vocals.

5.6mm dynamic driver: Rich and deep bass.

2. Reasonable and coordinated unit structure.

3. Passive crossover.

4. An acoustic hall created using 3D printing technology.

5. Fine CNC machining metal shell.

6. High-fidelity sterling silver coated OFC cable.

HiFi grade silver plated ofc cable 4 cores (3.5mm plug), mmcx connector provides excellent quality.

*4.4mm balanced cable sold separately.

7. Handmade in Japan.

The in-ear monitor headphones AK ZERO1 are carefully assembled by experienced Japanese engineers, and manufactured through strict craftsmanship to achieve high-quality and refined products.

Please note before you order:

About Customs Tax and Duty:

* The price does not include the customs duty.

* Import duties and taxes are the buyer's responsibility.

About Shipment:

* Generally we ship the package via the AliExpress Standard Shipping.

Refund & Repalcement & Warranty:

* Please inform us within 3 days with clear photos or video if you receive goods with problem.

* Please return to us in original condition of the merchandise and send Registered Postalfor replacement or refund and let us know the tracking number soon.

* We will arrange the replacement or process refund for you as soon as we confirm the returned

*We suppot 1 year warranty,not support refund if there is something problem with the earphone.

Color

*Our website presents product items are as close to real color,

  but take a different light and display factors, there is a certain color.

Feedback

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* Please contact us firstly if you encounter problems, we are more than happy to work with you to solve your problems.