Sennheiser PC121 Wireless Headset vs Sennheiser CX 215 Wired Earphones

  • Sennheiser PC121 Wireless Headset were first released on 22nd November 2010.
  • Sennheiser CX 215 Wired Earphones were first released on 17th March 2012.
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Headphone Type
Connectivity
Microphone
-
No
Colour
Black
Black
Release date
22nd November 2010
17th March 2012
Model Number
PC121
CX 215
Cord Length (Metres)
-
1.2
Bluetooth
-
No
Impedance (Ohms)
-
16
Sensitivity (dB)
-
110
Frequency Response Range
-
20Hz-20,000Hz