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ATH-CKR55BT - [Discontinued]

Wireless In-Ear Headphones

  • Bluetooth® technology
  • Qualcomm® aptX and AAC codecs compatible
  • Compact in-ear neckband design
  • Cable-clip for stable on-the-move fit
  • Up to 7 hours battery life
  • Smartphone mic and controls

£89.00 (inc. VAT)



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.

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
Accessories Included USB charging cable (Type-A/Micro USB Type-B), Eartips (XS/S/M/L), Carrying case, Cable clip
Microphone Type Electret Condenser
Charging Time 3 hours
Polar Pattern Omnidirectional
Frequency Response 100 – 10,000 Hz
Open Circuit Sensitivity -44 dB (1V/Pa at 1 kHz)
Bluetooth® Version Bluetooth® version 4.1
Output Power Class 2
Operating Range Line of sight (approx. 10m)
Compatible Bluetooth® Profiles A2DP, AVRCP, HFP, HSP
Support Codec Qualcomm® aptX™, AAC, SBC


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Name Filetype Filesize
ATH-CKR55BT Manual (EN) PDF 1.10 MB
ATH-CKR55BT Manual (DE) PDF 1.10 MB
ATH-CKR55BT Manual (FR) PDF 1.10 MB
ATH-CKR55BT Manual (ES) PDF 1.10 MB
ATH-CKR55BT Manual (IT) PDF 1.10 MB
ATH-CKR55BT Manual (PT) PDF 1.10 MB
ATH-CKR55BT Manual (RU) PDF 1.13 MB
ATH-CKR55BT Manual (JA) PDF 1.79 MB
ATH-CKR55BT Manual (KO) PDF 1.17 MB
ATH-CKR55BT Manual (SC) PDF 1.29 MB
ATH-CKR55BT Manual (TC) PDF 1.39 MB

Service & Warranty

The Audio-Technica Service Centre offer you spare parts and repairs for Microphones, Wireless Systems, Headphones and all other Audio-Technica branded products.

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Trusted by industry professionals

Trusted by industry professionals

Whether it’s on the boardroom table, the stage or in the studio, Audio-Technica products are trusted time and again by industry professionals looking for reliable, lovingly developed audio products for all budgets.

It’s Audio-Technica’s commitment to innovation, customer service and meticulous design that ensure professionals turn to us to provide solutions in conferencing, houses of worship, broadcasting, live sound, recording studios and beyond.


50 Years of Devotion to music

50 Years of Devotion to music

For over 50 years Audio-Technica has worked alongside leading figures in sports and music broadcast to develop and hone a range of products that deliver on the highest level.

Audio-Technica have developed and delivered products to power the Grammys, World Cup, Super Bowl, Commonwealth Games as well as every Summer and Winter Games from Atlanta 1996 to Sochi 2014.


A Legacy in Innovation

A Legacy in Innovation

Founded in 1962 by Hideo Matsushita, Audio-Technica positioned itself immediately as a leader in the manufacture and design of innovative audio products.

Its expertise in innovation quickly spread to various new fields and led to the development of tone arms, microphones and headphones. Audio-Technica soon became a benchmark in those fields. Making history.

A self-made man and audiophile, Hidéo Matsushita was the former Director of the Tokyo Museum of Modern Art. It all started in his workshop, with the hand crafting of stereo cartridges. 50 years later, Audio-Technica has become a global leader in audio innovation.


A Passion for Listening

A Passion for Listening

Humility, passion, creativity and expertise in sound are the core values behind Audio-Technica’s legacy, greatly inspired by its founder - whose imprint on the company’s philosophy is still felt today.

Audio-Technica’s passion for listening evolved in the 70’s, when it started designing headphones, building upon a legacy in innovation, meticulous engineering and artistic design.

Today, Audio-Technica’s audio products have become globally synonymous with consistently high sonic performance paired with impeccable build construction and artistic design.


Two Year Limited Warranty

Two Year Limited Warranty

All Audio-Technica products come with a two year warranty as standard meaning you can enjoy your product safe in the knowledge that you’re covered.

All Audio-Technica products purchased from Audio-Technica Europe are guaranteed for two years from the date of purchase to be free of defects in materials and workmanship. In the event of such defect, the product will be repaired or replaced without charge*.

(* T&Cs apply)