iBall Collar B9 Wireless Earphones vs Sennheiser HD451 Wired Headphones

  • iBall Collar B9 Wireless Earphones were first released on 29th July 2015. The elegant black design with a weight of 70.00g makes the iBall Collar B9 Wireless Earphones a beautiful and comfortable pair of headphones. This version of iBall headphones has bluetooth support 4.1.
  • Sennheiser HD451 Wired Headphones were first released on 1st January 2017. The elegant black design with a weight of 380.00g and a cord length of 1.2m makes the Sennheiser HD451 Wired Headphones and comfortable pair of headphones.
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Headphone Type
Connectivity
Microphone
Yes
No
Colour
Black
Black
Release date
29th July 2015
1st January 2017
Model Number
Collar B9
HD451
Inline Remote
No
-
Weight (g)
70.00
380.00
Cord Length (Metres)
-
1.2
Bluetooth
Yes
No
Bluetooth Version
4.1
-
Impedance (Ohms)
-
32
Sensitivity (dB)
-
108
Frequency Response Range
-
20Hz-20,000Hz