Sennheiser HD280 Wired Headphones vs Sennheiser HD440 BT Wireless Headphone comparison

Show Only Differences Highlight Differences	Sennheiser HD280 Wired Headphones	Sennheiser HD440 BT Wireless Headphones
key specs
Colour	Black	Black
Headphone Type	Over-Ear	Over-Ear
Microphone	No	Yes
Connectivity	Wired	Wireless
Type	Headphones	Headphones
general
Brand	Sennheiser	Sennheiser
Model	HD280 Wired Headphones	HD440 BT Wireless Headphones
Release date	November 8, 2012	January 1, 2017
Colour	Black	Black
Type	Headphones	Headphones
Headphone Type	Over-Ear	Over-Ear
Connectivity	Wired	Wireless
Model Number	HD280	HD440 BT
product details
Microphone	No	Yes
Cord Length (Metres)	3	-
Connector Size	3.5mm	-
Weight (g)	220.00	-
sound features
Impedance (Ohms)	64	18
Sensitivity (dB)	102	113
Frequency Response Range	8Hz-25,000Hz	18Hz-22,000Hz
connectivity features
Bluetooth	No	Yes
Bluetooth Codec Support	-	aptX

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