Firmware Update to version 1.01.04 for NW-ZX700/NW-A300 series

It appears Sony has addressed the 10db drop in the low end for the A-Series with a firmware update. In addition both models also get the new Android security updates, along side some other fixes.

Benefits and Improvements

  • Provides a Security update (The security level displayed in the Settings menu will be as of January 2023)
  • Reduces noise that can occur when playing music under specific conditions via a Bluetooth connection
  • Improves general performance (Only NW-ZX707)
  • Fixes the low-range frequency characteristics when music is played on wired headphones (Only NW-A306)

Looking at the head-fi post, it seems the issue was solved.

Firmware Update to version 1.01.04 for NW-ZX700/NW-A300 series
Source: user rlw6534 from Head-fi

This means there is no worry about importing a unit from an area without the volume cap since the bass issue has been solved.

Good that Sony has addressed this issue, just wish Sony would also acknowledge and address the battery drain issues for WF-1000XM4 users.

Thanks for the heads up Richard.

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