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Sennheiser PXC 550 II Wireless Headphones vs Sony MDR RF4000K Wireless Headphones

Sennheiser PXC 550-II Wireless Headphones vs Sony MDR-RF4000K Wireless Headphones comparison

Show Only Differences Highlight Differences	Sennheiser PXC 550-II Wireless Headphones	Sony MDR-RF4000K Wireless Headphones
key specs
Colour	Black	Black
Headphone Type	Over-Ear	Over-Ear
Microphone	Yes	No
Connectivity	Wireless	Wireless
Type	Headphones	Headphones
general
Brand	Sennheiser	Sony
Model	PXC 550-II Wireless Headphones	MDR-RF4000K Wireless Headphones
Release date	November 11, 2019	February 11, 2010
Colour	Black	Black
Type	Headphones	Headphones
Headphone Type	Over-Ear	Over-Ear
Connectivity	Wireless	Wireless
Model Number	Sennheiser PXC 550-II	MDR-RF4000K
product details
Microphone	Yes	No
Driver Type	Dynamic	-
Driver Size (mm)	32	-
Weight (g)	227.00	300.50
Foldable	-	Yes
Connector Size	-	3.5mm
sound features
Impedance (Ohms)	46	-
Sensitivity (dB)	110	-
Frequency Response Range	17Hz-23,000Hz	-
connectivity features
Bluetooth	Yes	Yes
Bluetooth Version	5	-
Bluetooth range (Metres)	10	-
battery features
Charging Time (Hrs)	3	-
Battery Life (Hrs)	20	8

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