Sennheiser PC151 Wired Headset vs Sony MDR-RF4000K Wireless Headphone comparison

Compare Sennheiser PC151 Wired Headset
Compare Sony MDR-RF4000K Wireless Headphones
key specs
ColourBlackBlack
Headphone TypeOver-EarOver-Ear
MicrophoneYesNo
ConnectivityWiredWireless
TypeHeadsetHeadphones
general
BrandSennheiserSony
ModelPC151 Wired HeadsetMDR-RF4000K Wireless Headphones
Release dateMarch 17, 2012February 11, 2010
ColourBlackBlack
TypeHeadsetHeadphones
Headphone TypeOver-EarOver-Ear
ConnectivityWiredWireless
Model NumberPC151MDR-RF4000K
product details
MicrophoneYesNo
Cord Length (Metres)3-
Foldable-Yes
Connector Size-3.5mm
Weight (g)-300.50
sound features
Impedance (Ohms)32-
Sensitivity (dB)114-
Frequency Response Range18Hz-22,000Hz-
connectivity features
BluetoothNoYes
battery features
Battery Life (Hrs)-8

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