Audio-Technica ATH CKR7TW vs. Poly Savi 8240-M D2

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Audio-Technica ATH CKR7TW and Poly Savi 8240-M D2. 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 CKR7TW vs. Poly Savi 8240-M D2 Comparison Chart
DESIGN AND DIMENSIONS Audio-Technica ATH CKR7TW Poly Savi 8240-M D2
Product Type True wireless earphones - Bluetooth - wireless Headset
Weight 8 g -
Dimensions & Weight Details Headphones: 8 g
Charging case: 75 g
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Colour Grey -
Bluetooth Range (Operating Distance) 10 m -
SOUND QUALITY Audio-Technica ATH CKR7TW Poly Savi 8240-M D2
Headphones Form Factor In-ear -
Headphones Technology Dynamic -
Connectivity Technology Wireless -
Wireless Technology Bluetooth -
Bluetooth Version Bluetooth 5.0 -
Bluetooth Profiles Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) -
Bluetooth Audio Codec SBC, AAC, aptX -
Sound Output Mode Stereo -
Frequency Response 5 - 45000 Hz -
Max Input Power 100 mW -
Impedance 16 Ohm -
Diaphragm 11 mm -
Features True wireless -
MICROPHONE Audio-Technica ATH CKR7TW Poly Savi 8240-M D2
Form Factor Built-in -
Microphone Operation Mode Omni-directional -
Frequency Response 100 - 10000 Hz -
Sensitivity -38 dB -
REMOTE CONTROL Audio-Technica ATH CKR7TW Poly Savi 8240-M D2
Controls Volume, answer/end -
CABLE Audio-Technica ATH CKR7TW Poly Savi 8240-M D2
Cable Type USB charge cable - detachable - 30 cm -
BATTERY AND CHARGING Audio-Technica ATH CKR7TW Poly Savi 8240-M D2
Battery Type Headphone battery rechargeable - lithium polymer -
Battery Life 6 hour(s) -
Charging Time 2 hour(s) -
OTHERS Audio-Technica ATH CKR7TW Poly Savi 8240-M D2
Included Accessories Charging case / portable power bank, 4 pairs of ear tips (XS, small, medium, large) -
Service & Support Limited warranty - 2 years -
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