Sennheiser HD439 Wired Headphones vs Boult Audio AirBass FX1 True Wireless Stereo (TWS) Earphones

  • Sennheiser HD439 Wired Headphones were first released on 8th November 2012.
  • Boult Audio AirBass FX1 True Wireless Stereo (TWS) Earphones were first released on May 2021. This version of Boult Audio headphones has bluetooth support 5.
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Microphone
No
Yes
Colour
Black
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Release date
8th November 2012
May 2021
Model Number
HD439
AirBass FX1
Driver Type
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Dynamic
Number of Drivers
-
1
Water Resistant
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IPX5
Cord Length (Metres)
1.4
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Bluetooth
No
Yes
Bluetooth Version
-
5
Charging Port
-
USB Type-C
Impedance (Ohms)
32
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Sensitivity (dB)
112
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Frequency Response Range
17Hz-22,500Hz
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