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Audio Technica ATH WS99BT Wireless Headphones vs Sennheiser HD251 II Wired Headphones

Audio-Technica ATH-WS99BT Wireless Headphones vs Sennheiser HD251 II Wired Headphones comparison

Show Only Differences Highlight Differences	Audio-Technica ATH-WS99BT Wireless Headphones	Sennheiser HD251 II Wired Headphones
key specs
Colour	Black	Black
Headphone Type	Over-Ear	Over-Ear
Microphone	Yes	-
Connectivity	Wireless	Wired
Type	Headphones	Headphones
general
Brand	Audio-Technica	Sennheiser
Model	ATH-WS99BT Wireless Headphones	HD251 II Wired Headphones
Release date	March 15, 2016	November 8, 2012
Colour	Black	Black
Type	Headphones	Headphones
Headphone Type	Over-Ear	Over-Ear
Connectivity	Wireless	Wired
Model Number	ATH-WS99BT	HD251 II
product details
Microphone	Yes	-
Microphone Impedance (Ohms)	-44	-
Cord Length (Metres)	1.5	1
Driver Size (mm)	53	-
Connector Size	3.5mm	3.5mm
Weight (g)	453.00	140.00
sound features
Impedance (Ohms)	37	70
Sensitivity (dB)	105	120
Frequency Response Range	-	16Hz-22,000Hz
connectivity features
Bluetooth	Yes	No
Bluetooth range (Metres)	10	-
battery features
Charging Time (Hrs)	3	-
Battery Life (Hrs)	6	-

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