New Firmware for S-series Amps

New Firmware for ACOM 500S, 600S, 700S, 1200S, and 2020S Amplifiers  |  19-Feb-2024

We, the ACOM company, announce the availability of new firmware versions for our solid-state amplifiers as follows: All firmware versions are available to our customers free of charge and can be downloaded from the corresponding product pages (the links above).

    We highly recommend updating your ACOM solid-state amplifier with the above firmware.
    Please follow the firmware update instructions described in your amplifier User's Manual.

There are many improvements in the firmware, but one cannot go unmentioned:
Active automatic protection.
This protection is highly complicated to implement (as a hardware and software solution), but ACOM spared no time and money, and it is now available to our customers.
We proudly call this ACOM Customer Care.


Helpful Tools for Firmware Update

To start the firmware update procedure a PC with RS-232 interface is needed. Nowadays, most computers do not have a built-in RS-232 interface and this creates a problem.

But, fortunately, you are an ACOM customer and we have a solution. Currently, all computers have a couple of USB ports. So, you need a USB to RS-232 interface converter.

Below are shown two devices (interface converters) tested and approved by ACOM for use with our amplifiers:
  • USB (Type-C connector) to RS-232 (Serial, 9-pin, D-sub male connector), 1 m cable, USB 2.0 standard
    • Producer Digitus, PN: DA-70166. This converter can be ordered from TME (, PN: DA-70166;
  • USB (Type A connector) to RS-232 (Serial, 9-pin, D-sub male connector), 2 m cable, USB 2.0 standard
    • Producer FTDI, PN: UT232R-200. This converter can be ordered from DigiKey (, PN: 768-1084-ND, or Mouser (, PN: 895-UT232R-200, or Farnell (, PN: 2352013.


For current prices and availability, get in touch with our Customer Service Department | Technical Support Team directly.

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