Sennheiser HD448 Wired Headphones vs Sennheiser MM450 Wireless Headphone comparison

Show Only Differences Highlight Differences	Sennheiser HD448 Wired Headphones	Sennheiser MM450 Wireless Headphones
key specs
Headphone Type	Over-Ear	On-Ear
Connectivity	Wired	Wireless
Type	Headphones	Headphones
Colour	Black	Black
Microphone	-	Yes
general
Brand	Sennheiser	Sennheiser
Model	HD448 Wired Headphones	MM450 Wireless Headphones
Release date	March 17, 2012	June 11, 2013
Type	Headphones	Headphones
Headphone Type	Over-Ear	On-Ear
Connectivity	Wired	Wireless
Colour	Black	Black
Model Number	HD448	MM450
connectivity features
Bluetooth	No	Yes
Bluetooth Version	-	2.1
Bluetooth Codec Support	-	SBC,aptX
product details
Microphone	-	Yes
Connector Size	-	3.5mm
sound features
Sensitivity (dB)	-	107
Frequency Response Range	-	15Hz-22,000Hz
battery features
Charging Time (Hrs)	-	3
Battery Life (Hrs)	-	20

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