Audio Technica ATH-CKX5iS

Audio Technica ATH-CKX5iS

Audio Technica ATH-CKR55BT

Wireless In-Ear Headphones
Enjoy music wirelessly with the Audio-Technica CKR55BT. 10.7 mm drivers guarantee excellent audio quality. Compatible with aptX and AAC, experience the full freedom of sound.
Availability: In stock

The freedom of sound

Listen on-the-move with the freedom of wire-free Bluetooth technology.

  • 10.7 mm drivers provides excellent sound quality in a comfortably sized in-ear design
  • Compatible with Qualcomm® aptX and AAC codecs, ensuring stable and clear wireless transmission
  • Lightweight in-ear design creates strong sound isolation
  • In-line smartphone control with mic for managing music and calls
  • Cable-clip can be attached to clothing for a secure, stable wearing fit
  • Protective carrying case for safe storage

Free your music

Let go of the wires and listen to your music wirelessly with Bluetooth® technology, from your smartphone, tablet, laptop or other Bluetooth® enabled-device. Compatible with aptX, AAC and SBC codecs, you can enjoy superb sound quality without any wires.

Choose the right fit

A neckband design that allows you to move without restraint. Lightweight and compact in-ear design, and a range of eartip sizes for you to select a personalised, listening fit.

Compatible with aptX

Get the best of wireless audio with Qualcomm® aptX compatibility, ensuring a stable and clear wireless transmission.

Call and control

Manage calls and music using the in-line smartphone controls, positioned for easy access.



Polar Pattern Omnidirectional
Frequency Response 100 – 10,000 Hz
Open Circuit Sensitivity -44 dB (1V/Pa at 1 kHz)


Type Dynamic
Driver Diameter 10.7mm
Frequency Response 5 – 35,000Hz
Sensitivity 103dB/mW
Impedance 16 ohms
Battery DC 3.7V lithium polymer battery
Battery Life Continuous use : 7 hours approx.
Standby : 200 hours
Weight 17g
Charging Time 3 hours
Microphone Type Electret Condenser
Accessories Included USB charging cable (Type-A/Micro USB Type-B), Eartips (XS/S/M/L), Carrying case, Cable clip
Bluetooth® Version Bluetooth® version 4.1
Output Power Class 2
Operating Range Line of sight (approx. 10m)

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