Sennheiser PC166 Wired Headset vs Sennheiser 504575 Wireless Headset

  • Sennheiser PC166 Wired Headset were first released on 24th March 2012. The elegant black design with a weight of 318.00g makes the Sennheiser PC166 Wired Headset a beautiful and comfortable pair of headphones.
  • Sennheiser 504575 Wireless Headset were first released on 9th December 2015.
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Headphone Type
Connectivity
Microphone
Yes
Yes
Colour
Black
Black
Release date
24th March 2012
9th December 2015
Model Number
PC166
504575
Weight (g)
318.00
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Bluetooth
No
Yes
Impedance (Ohms)
16
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Sensitivity (dB)
114
-
Frequency Response Range
80Hz-15,000Hz
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