Sennheiser MX685I Wired Headphones vs Sennheiser HD251 II Wired Headphones

  • Sennheiser MX685I Wired Headphones were first released on 24th December 2013.
  • Sennheiser HD251 II Wired Headphones were first released on 8th November 2012. The elegant black design with a weight of 140.00g and a cord length of 1m makes the Sennheiser HD251 II Wired Headphones and comfortable pair of headphones.
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Headphone Type
Connectivity
Microphone
Yes
-
Colour
White
Black
Release date
24th December 2013
8th November 2012
Model Number
MX685I
HD251 II
Weight (g)
-
140.00
Cord Length (Metres)
1.2
1
Bluetooth
No
No
Impedance (Ohms)
-
70
Sensitivity (dB)
-
120
Frequency Response Range
-
16Hz-22,000Hz