Sennheiser RS220 Wireless Headphones vs Philips FIDELIO X1/28 Wired Headphones comparison

Show Only Differences Highlight Differences	Sennheiser RS220 Wireless Headphones	Philips FIDELIO X1/28 Wired Headphones
key specs
Colour	Black	Black
Headphone Type	Over-Ear	Over-Ear
Microphone	No	-
Connectivity	Wireless	Wired
Type	Headphones	Headphones
general
Brand	Sennheiser	Philips
Model	RS220 Wireless Headphones	FIDELIO X1/28 Wired Headphones
Release date	November 8, 2012	March 1, 2013
Colour	Black	Black
Type	Headphones	Headphones
Headphone Type	Over-Ear	Over-Ear
Connectivity	Wireless	Wired
Model Number	RS220	FIDELIO X1/28
product details
Microphone	No	-
Connector Size	-	3.5mm
sound features
Sensitivity (dB)	106	100
Frequency Response Range	16Hz-22,000Hz	10Hz-40,000Hz
Impedance (Ohms)	-	30
connectivity features
Bluetooth	Yes	No