Sennheiser HD 620S Wired Headphones vs Sennheiser MM400X Wireless Headphones comparison

Show Only Differences Highlight Differences	Sennheiser HD 620S Wired Headphones	Sennheiser MM400X Wireless Headphones
ratings
Overall NDTV Rating	Read Review	-
Design / Comfort Rating		-
Audio Quality Rating		-
Value For Money Rating		-
key specs
Colour	Black	Black
Headphone Type	Over-Ear	On-Ear
Microphone	No	Yes
Connectivity	Wired	Wireless
Type	Headphones	Headphones
general
Brand	Sennheiser	Sennheiser
Model	HD 620S Wired Headphones	MM400X Wireless Headphones
Release date	August 12, 2024	November 8, 2012
Model Number	HD 620S	MM400X
Colour	Black	Black
Type	Headphones	Headphones
Headphone Type	Over-Ear	On-Ear
Connectivity	Wired	Wireless
product details
Microphone	No	Yes
Boom Microphone	No	-
Driver Size (mm)	42	-
Weight (g)	670.00	105.00
Connector Size	-	3.5mm
sound features
Impedance (Ohms)	150	-
Active Noice Cancellation	No	-
Sensitivity (dB)	-	107
Frequency Response Range	-	15Hz-22,000Hz
connectivity features
Bluetooth	-	Yes
Bluetooth range (Metres)	-	10
battery features
Charging Time (Hrs)	-	3
Battery Life (Hrs)	-	10

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