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Audio Technica ATH WS99BT Wireless Headphones vs Sennheiser HD440 BT Wireless Headphones

Audio-Technica ATH-WS99BT Wireless Headphones vs Sennheiser HD440 BT Wireless Headphone comparison

Show Only Differences Highlight Differences	Audio-Technica ATH-WS99BT Wireless Headphones	Sennheiser HD440 BT Wireless Headphones
key specs
Colour	Black	Black
Headphone Type	Over-Ear	Over-Ear
Microphone	Yes	Yes
Connectivity	Wireless	Wireless
Type	Headphones	Headphones
general
Brand	Audio-Technica	Sennheiser
Model	ATH-WS99BT Wireless Headphones	HD440 BT Wireless Headphones
Release date	March 15, 2016	January 1, 2017
Colour	Black	Black
Type	Headphones	Headphones
Headphone Type	Over-Ear	Over-Ear
Connectivity	Wireless	Wireless
Model Number	ATH-WS99BT	HD440 BT
product details
Microphone	Yes	Yes
Microphone Impedance (Ohms)	-44	-
Cord Length (Metres)	1.5	-
Driver Size (mm)	53	-
Connector Size	3.5mm	-
Weight (g)	453.00	-
sound features
Impedance (Ohms)	37	18
Sensitivity (dB)	105	113
Frequency Response Range	-	18Hz-22,000Hz
connectivity features
Bluetooth	Yes	Yes
Bluetooth range (Metres)	10	-
Bluetooth Codec Support	-	aptX
battery features
Charging Time (Hrs)	3	-
Battery Life (Hrs)	6	-

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