Inner-Ear Headsets for Smartphone

  • Large 13.5 mm performance enhanced drivers offer a premium listening experience
  • C-tip design fits the shape of your ear for reliable stay-in-place comfort
  • In-line control with mic for answering/ending calls, controlling music and video playback, and controlling volume on compatible smartphones*
  • 360° rotating eartip adjusts to the unique angle of your ear canal for personalized fit and better sound isolation
  • Flat cable eliminates annoying tangles and lasts longer
  • Included luxury zippered hard carrying keeps headphones protected
  • Also includes Comply™ foam tips, silicone eartips (XS/S/M/L), C-tips (S/M/L)
    *This product is not compatible with some smartphones.

    Compatible Smartphone models (tested by Audio-Technica):

    Band Model
    Apple "iPhone" series
    Apple "iPad" series
    Samsung "GALAXY Note" series
    Samsung "GALAXY S" series
    Samsung "GALAXY Tab" series
    BlackBerry BlackBerry Bold 9900
    BlackBerry BlackBerry Bold 9780
    BlackBerry BlackBerry Bold
    BlackBerry BlackBerry Curve 9300
    HTC HTC Desire HD
    HTC HTC Desire
    LG G2
    LG Optimus G Pro
    LG Optimus LIFE
    LG Optimus G
    LG Optimus Vu
    Sharp LYNX 3D
    Sharp GALAPGOS
    DELL DELL Streak

    • audio technica ATH-CKX9iS
    • audio technica ATH-CKX9iS
    • audio technica ATH-CKX9iS
    • audio technica ATH-CKX9iS
  • ATH-CKX9iS Specifications (Headphones)



    Driver Diameter

    Ø13.5 mm

    Frequency Response

    5 ~ 25,000 Hz

    Maximum Input Power

    20 mW


    104 dB/mW


    32 Ω


    10 g


    1.2 m Y-type

    Accessories Furnished

    Hard carrying case, Comply™ foam eartip, silicone eartips (XS/S/M/L), C-tips (S/M/L)


    ATH-CKX9iS BK (Black),
    ATH-CKX9iS SV (Silver)

    ATH-CKX9iS Specifications (Microphone)


    Electret condenser

    Polar Pattern


    Frequency Response

    100 ~ 10,000 Hz

    Open Circuit Sensitivity

    -44 dB (0dB=1V/Pa, 1kHz)