Sony MDR-XB50BS Wireless Earphones vs Sony MDR-ZX770BT Wireless Headphones

  • Sony MDR-XB50BS Wireless Earphones were first released on 1st January 2017. Its battery life is 8.5hrs, helping you comfortably use it throughout a long active day.
  • Sony MDR-ZX770BT Wireless Headphones were first released on 22nd August 2017.
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Headphone Type
Microphone
Yes
Yes
Colour
Black
Black
Release date
1st January 2017
22nd August 2017
Model Number
MDR-XB50BS
MDR-ZX770BT
Driver Type
Dynamic
Dynamic
Driver Size (mm)
12
40
Bluetooth
Yes
Yes
Battery Life (Hrs)
8.5
-
Charging Time (Hrs)
2.5
2.5
Impedance (Ohms)
-
22
Frequency Response Range
4Hz-24,000Hz
20Hz-20,000Hz