SonicPro® In-Ear Headphones


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SonicPro® In-Ear Headphones



THE world's first dual-phase push pull driver system

The truly unique push-pull driver system developed for the CKR9 and CKR10 incorporates two 13mm drivers facing each other, generating phase-aligned audio signals that are mixed to compensate for each driver's infefficiencies, while providing an equal and tailored response without artificial colouration.

  • The ATH-CKR9 in-ear headphones deliver amazing, high-resolution reproduction of your music.
  • World’s first dual phase push-pull drivers (13 mm x 2, with pure iron yoke) provide extended frequency response by reducing intermodulation distortion
  • Machined aluminium housings reduce unwanted resonance for crisp mid-high range audio
  • Stainless steel acoustic resister provides improved high-frequency response, while bass acoustic resister delivers accurate low-frequency response
  • Includes silicone eartips (XS/S/M/L) and protective carrying case

“high-resolution audio for amazing reproduction of your music”

As a manufacturer of audiophile headphones since 1972, Audio-Technica is well-positioned to provide headphones that meet the demands of Hi-Res Audio media formats, allowing for the full reproduction of their extended frequencies and sonic characteristics..

“machined aluminium housings”

The ATH-CKR9 features aluminium shell housings reducing unwanted vibrations and giving a sleek polished finish.

“Comfort and convenience”

The ATH-CKR9 is designed to give comfort and exceptional performance along with great sound isolation. The various silicone ear tips allow you to adjust the CKR9 for maximum comfort levels.

High-Resolution audio

Meeting the demands of Hi-Res audio formats, allowing for the amazing reproduction of your music.

Push-pull driver technology

A world first in earphone design. The ATH-CKR9's push-pull drivers extend frequency response by reducing intermodulation distortion.

Aluminium housings

The ATH-CKR9's aluminum housings are machined to reduce unwanted vibrations and provide a sleek polished finish.

Comfort & Convenience

Adjustable eartips for taiored comfort and superior sound isolation.


Driver Diameter Dynamic, 13 mm x 2
Frequency Response 5 - 35,000 Hz
Maximum Input Power 100 mW
Sensitivity 106 dB/mW
Impedance 49 ohms
Weight 12g
Cable 1.2 m (Y type)
Connector 3.5 mm gold-plated stereo mini plug (L-shaped)
Accessories Included Earpieces(XS,S,M,L), Case