Sennheiser HD440 BT Wireless Headphones vs boAt Rockerz 255F Wireless Earphones

  • Sennheiser HD440 BT Wireless Headphones were first released on 1st January 2017.
  • boAt Rockerz 255F Wireless Earphones were first released on 4th May 2022. This version of boAt headphones has bluetooth support 4.1. This version of boAt Rockerz 255F Wireless Earphones has a 10 driver size, 16 Ohms impedance, 98 dB sensitivity, and a frequency response of 20Hz-20,000Hz, delivering a clearer and sharper acoustic experience.
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Headphone Type
Microphone
Yes
-
Colour
Black
-
Release date
1st January 2017
4th May 2022
Model Number
HD440 BT
Rockerz 255F
Driver Size (mm)
-
10
Water Resistant
-
IPX5
Bluetooth
Yes
Yes
Bluetooth Version
-
4.1
Bluetooth Codec Support
aptX
-
Charging Time (Hrs)
-
1.5
Impedance (Ohms)
18
16
Sensitivity (dB)
113
98
Frequency Response Range
18Hz-22,000Hz
20Hz-20,000Hz