Sennheiser HD420S Wired Headphones vs boAt Rockerz 450 Wireless Headphones

  • Sennheiser HD420S Wired Headphones were first released on 1st January 2017.
  • boAt Rockerz 450 Wireless Headphones were first released on 15th March 2019. This version of boAt headphones has bluetooth support 4.2. This version of boAt Rockerz 450 Wireless Headphones has a 40 driver size, 32 Ohms impedance, 108 dB sensitivity, and a frequency response of 20Hz-20,000Hz, delivering a clearer and sharper acoustic experience. Its battery life is 8hrs, helping you comfortably use it throughout a long active day. boAt Rockerz 450 Wireless Headphones is also foldable so you can put it conveniently in your bag. The water resistance level provided for boAt Rockerz 450 Wireless Headphones is Yes.
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Headphone Type
Connectivity
Microphone
No
Yes
Colour
Black
Black
Release date
1st January 2017
15th March 2019
Model Number
HD420S
Rockerz 450
Inline Remote
-
Yes
Driver Size (mm)
-
40
Water Resistant
-
Yes
Foldable
-
Yes
Bluetooth
No
Yes
Bluetooth Version
-
4.2
Battery Life (Hrs)
-
8
Charging Time (Hrs)
-
3
Impedance (Ohms)
-
32
Sensitivity (dB)
-
108
Frequency Response Range
-
20Hz-20,000Hz