Alesis S4/QuadraSynth firmware upgrade OS V 1.07 Final S4 Eprom Update


Firmware for Alesis S4

SKU: FW-36 Category: Tags: , ,


Alesis S4 / QuadraSynth – Firmware OS Upgrade v1.07 – Final Revision

This is firmware revision 1.07 and is the latest official released operation system by Alesis. This operation system update/upgrade requires one eprom chip.


  • Version 1.07 upgrade is intended to iron out any remaining bugs affecting general stability and improve performance within the firmware code.
  • Ability to load newer Alesis QCards.
  • Version 1.07 firmware is compatible with the original Alesis QuadraSynth and the original Alesis S4.