Sennheiser HD 4.50BTNC Wireless Headphones vs Sennheiser CX 686i Wired Earphone comparison

Compare Sennheiser HD 4.50BTNC Wireless Headphones
Compare Sennheiser CX 686i Wired Earphones
key specs
ColourBlackGreen
Headphone TypeOver-EarIn-Ear
MicrophoneYesYes
ConnectivityWirelessWired
TypeHeadphonesEarphones
general
BrandSennheiserSennheiser
ModelHD 4.50BTNC Wireless HeadphonesCX 686i Wired Earphones
Release dateMarch 29, 2018March 30, 2014
ColourBlackGreen
TypeHeadphonesEarphones
Headphone TypeOver-EarIn-Ear
ConnectivityWirelessWired
Model NumberHD 4.50BTNCCX 686i
product details
MicrophoneYesYes
Connector Size3.5mm3.5mm
Microphone Impedance (Ohms)--44
Cord Length (Metres)-1.2
sound features
Impedance (Ohms)1820
Frequency Response Range18Hz-22,000Hz18Hz-20,000Hz
Sensitivity (dB)-118
connectivity features
BluetoothYesNo

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