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Audio Technica ATH CKS1100IS Wired Earphones vs Sony MDR RF4000K Wireless Headphones

Audio-Technica ATH-CKS1100IS Wired Earphones vs Sony MDR-RF4000K Wireless Headphones comparison

Show Only Differences Highlight Differences	Audio-Technica ATH-CKS1100IS Wired Earphones	Sony MDR-RF4000K Wireless Headphones
key specs
Colour	Black	Black
Headphone Type	In-Ear	Over-Ear
Microphone	Yes	No
Connectivity	Wired	Wireless
Type	Earphones	Headphones
general
Brand	Audio-Technica	Sony
Model	ATH-CKS1100IS Wired Earphones	MDR-RF4000K Wireless Headphones
Release date	March 15, 2019	February 11, 2010
Colour	Black	Black
Type	Earphones	Headphones
Headphone Type	In-Ear	Over-Ear
Connectivity	Wired	Wireless
Model Number	ATH-CKS1100IS	MDR-RF4000K
product details
Microphone	Yes	No
Cord Length (Metres)	1.2	-
Driver Type	Dynamic	-
Driver Size (mm)	12.5	-
Water Resistant	No	-
Connector Size	3.5mm	3.5mm
Weight (g)	15.00	300.50
Foldable	-	Yes
sound features
Impedance (Ohms)	50	-
Sensitivity (dB)	108	-
Frequency Response Range	5Hz-40,000Hz	-
connectivity features
Bluetooth	No	Yes
battery features
Battery Life (Hrs)	-	8

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