Audio-Technica ATH CKR55BT vs. Sennheiser CX Plus

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Audio-Technica ATH CKR55BT and Sennheiser CX Plus. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.

Headphones Specifications Comparison

Audio-Technica ATH CKR55BT vs. Sennheiser CX Plus Comparison Chart
DESIGN AND DIMENSIONS Audio-Technica ATH CKR55BT Sennheiser CX Plus
Product Type Earphones - Bluetooth - wireless True wireless earphones - Bluetooth - wireless
Weight 17 g -
Dimensions & Weight Details - Earbud: 5.9 cm x 3.38 cm x 4.23 cm / 6 g
Charging case: 35 g
Colour Steel black White | Black
Protection - Splashproof, IPX4
Recommended Use - Portable electronics
Bluetooth Range (Operating Distance) 10 m -
SOUND QUALITY Audio-Technica ATH CKR55BT Sennheiser CX Plus
Headphones Form Factor In-ear In-ear
Headphones Technology Dynamic Dynamic
Connectivity Technology Wireless Wireless
Wireless Technology Bluetooth Bluetooth
Bluetooth Version Bluetooth 4.1 Bluetooth 5.2 Sennheiser CX Plus have a more advanced version of Bluetooth than Audio-Technica ATH CKR55BT.
Bluetooth Profiles Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP)
Bluetooth Audio Codec - SBC, AAC, aptX, aptX Adaptive
Active Noise Cancelling - Yes Sennheiser CX Plus are equipped with active noice cancellation.
Sound Output Mode Stereo Stereo
Sound Effects - Bass Boost
Frequency Response 20 - 20000 Hz 5 - 21000 Hz Sennheiser CX Plus offer a larger frequency range than Audio-Technica ATH CKR55BT.
Sensitivity 103 dB/mW -
Impedance 16 Ohm -
Diaphragm 10.7 mm 7 mm Audio-Technica ATH CKR55BT have a thicker diaphragm than Sennheiser CX Plus.
Simultaneously Connectable Devices Qty (Multipoint) - 1
Features - TrueResponse technology
MICROPHONE Audio-Technica ATH CKR55BT Sennheiser CX Plus
Form Factor - Built-in
Type On-cable -
Microphone Technology Electret condenser -
Microphone Operation Mode Omni-directional -
Frequency Response 100 - 10000 Hz 100 - 10000 Hz The frequency response of the microphones in both headphones is the same.
Audio Input Details Omni-directional - 100 - 10000 Hz -
Sensitivity -44 dB -
Microphones Included - 4
CABLE Audio-Technica ATH CKR55BT Sennheiser CX Plus
Cable Type Micro-USB charge cable - detachable - 30 cm USB-C charge cable - detachable
FEATURES Audio-Technica ATH CKR55BT Sennheiser CX Plus
Features - Touch control
Internet of Things (IoT) Compatible - Yes
Intelligent Assistant - Siri, Google Assistant
BATTERY AND CHARGING Audio-Technica ATH CKR55BT Sennheiser CX Plus
Battery Type 1 x headphone battery rechargeable - lithium polymer Headphone battery rechargeable - Lithium Ion
Battery Capacity - 55 mAh
Battery Life 7 hour(s) -
Battery Life Details - Continuous playback (with included charging case): up to 24 hours
Standby Time 200 hours -
Charging Time 3 hour(s) 1.5 hour(s) Sennheiser CX Plus recharge faster than Audio-Technica ATH CKR55BT.
Included Qty 1 2
WIRELESS LINK Audio-Technica ATH CKR55BT Sennheiser CX Plus
Modulation Type FHSS -
Radio Frequency Range 2.402 - 2.480GHz -
OTHERS Audio-Technica ATH CKR55BT Sennheiser CX Plus
Included Accessories Clip, pouch case, 4 pairs of ear tips (XS, S,M, L) 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh)
Service & Support - Limited warranty - 2 years
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