Audio-Technica ATH-CHX7 Wired Earphones vs Sennheiser HD440 BT Wireless Headphones comparison

Show Only Differences Highlight Differences	Audio-Technica ATH-CHX7 Wired Earphones	Sennheiser HD440 BT Wireless Headphones
key specs
Colour	Black	Black
Headphone Type	In-Ear	Over-Ear
Microphone	No	Yes
Connectivity	Wired	Wireless
Type	Earphones	Headphones
general
Brand	Audio-Technica	Sennheiser
Model	ATH-CHX7 Wired Earphones	HD440 BT Wireless Headphones
Release date	15th March 2014	1st January 2017
Colour	Black	Black
Type	Earphones	Headphones
Headphone Type	In-Ear	Over-Ear
Connectivity	Wired	Wireless
Model Number	ATH-CHX7	HD440 BT
product details
Microphone	No	Yes
Driver Type	Dynamic	-
Driver Size (mm)	14.3	-
Weight (g)	118.00	-
sound features
Impedance (Ohms)	16	18
Sensitivity (dB)	100	113
Frequency Response Range	15Hz-22,000Hz	18Hz-22,000Hz
connectivity features
Bluetooth	No	Yes
Bluetooth Codec Support	-	aptX