Sennheiser CX 600BT Wired Earphones vs Sennheiser HD660S Wired Headphones

  • Sennheiser CX 600BT Wired Earphones were first released on 25th March 2018. This version of Sennheiser headphones has bluetooth support 4.2, aptX.
  • Sennheiser HD660S Wired Headphones were first released on 10th November 2017. The elegant black design with a weight of 260.00g and a cord length of 3m makes the Sennheiser HD660S Wired Headphones and comfortable pair of headphones.
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Headphone Type
Connectivity
Colour
Black
Black
Release date
25th March 2018
10th November 2017
Model Number
CX 600BT
HD660S
Weight (g)
-
260.00
Cord Length (Metres)
-
3
Bluetooth
Yes
No
Bluetooth Version
4.2
-
Bluetooth Codec Support
aptX
-
Sensitivity (dB)
112
104
Frequency Response Range
17Hz-21,000Hz
9Hz-41,500Hz