Audio-Technica ATH-SR9 Wired Headphones vs Sennheiser MM450 Wireless Headphone comparison

Show Only Differences Highlight Differences	Audio-Technica ATH-SR9 Wired Headphones	Sennheiser MM450 Wireless Headphones
key specs
Colour	Silver	Black
Headphone Type	Over-Ear	On-Ear
Microphone	No	Yes
Connectivity	Wired	Wireless
Type	Headphones	Headphones
general
Brand	Audio-Technica	Sennheiser
Model	ATH-SR9 Wired Headphones	MM450 Wireless Headphones
Release date	January 13, 2020	June 11, 2013
Colour	Silver	Black
Type	Headphones	Headphones
Headphone Type	Over-Ear	On-Ear
Connectivity	Wired	Wireless
Model Number	ATH-SR9	MM450
product details
Microphone	No	Yes
Cord Length (Metres)	1.2	-
Driver Type	Dynamic	-
Driver Size (mm)	45	-
Connector Size	3.5mm	3.5mm
Weight (g)	270.00	-
sound features
Impedance (Ohms)	47	-
Sensitivity (dB)	97	107
Frequency Response Range	5Hz-45,000Hz	15Hz-22,000Hz
connectivity features
Bluetooth	No	Yes
Bluetooth Version	-	2.1
Bluetooth Codec Support	-	SBC,aptX
battery features
Charging Time (Hrs)	-	3
Battery Life (Hrs)	-	20

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