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Astell&Kern AK ZERO2


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  • Four different types of drivers
  • Perfectly harmonized driver structure
  • Hi-Fi Grade Pure Silver-Coated OFC Cable
  • Made in Japan
Astell&Kern AK ZERO2 Second-generation IEMs combine different driver technologies for the... more
Product information "Astell&Kern AK ZERO2"

Astell&Kern AK ZERO2

Second-generation IEMs combine different driver technologies for the ultimate performance at their price point. Precision-crafted in Japan, the AK ZERO2 is a game-changing design.
Handcrafted in Japan and clad in Astell&Kern’s signature angled aluminium, the AK ZERO2 earphones combine different types of driver technology to optimise audio performance across all sound frequencies. Exceptional cross-over network management means the different designs work together in perfect harmony.


  • Quad-Brid Driver Configuration: Planar, Balanced Armature, Dynamic and Piezoelectric
  • Two pairs of Coil Parameter Dual Custom BA Drivers to reproduce both full-range and mid-to-low-range frequencies
  • Micro rectangular Planar Dynamic Driver developed to deliver high frequencies
  • 10mm Dynamic Driver with Piezoelectric Transducer delivering both the extreme highs and lows of the frequency range
  • Each driver is placed optimally in an acoustic chamber created using 3D-printed technology
  • Precise CNC-machined metal housing for a superb fit and listening comfort
  • Hi-fi-grade pure silver-coated four-core OFC cable



  • Model: AK ZERO2
  • Driver: Quad-brid Drivers, Special Micro Rectangular Planar Dynamic Driver x1, Custom Balanced Armature Drivers x4, 10mm Micro Dynamic Driver x1 with Piezoelectric Transducer
  • Cable: MMCX, Hi-Fi Grade Pure Silver-Coated OFC Cable 4 Core (4.4mm, 3.5mm)
  • Material: Aluminium
  • Frequency response: 20Hz–30KHz
  • SPL: 105dB@1KHz(1mW)
  • Impedance: 5Ω@1KHz
  • Total Harmonic Distortion: 0.7%@1kHz


  • AK ZERO2 Earbud L/R
  • 3.5mm cable x1
  • 4.4mm cable x1
  • 5 pairs of silicone ear tips
  • 1 pair of foam tips
  • Carrying Case x1
Headphone Design: In Ear, Wired
Headphone Type: Wired
Product Type: Headphone
Connectivity: Wired
Colour: Black, Grey, White, Silver, Clear
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