Zoom F4 firmware

Firmware history

1. Version 3.00 Latest First seen Jul 10, 2026
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   Released as following function updates and bug fixes in February 2019

   Fu​nction Updates

   1. Added Advanced Look-Ahead Hybrid Limiters.
   2. Added Zoom AutoMix™ function.
   3. Added headphone boost function (up to +24dB).
   4. Improved Timecode Precision when powered off.
   5. Added ability to record to SD card and use as audio interface simultaneously (up to 48kHz).
   6. Added some other new functions. For details please refer to the F4 Version 3.0 Supplementary Manual.

   Bug Fixe​s

   1. The time reference of recorded files is slightly shifted when the frame rate for timecode is set to 29.97D.
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