Firmware Updates - Home audio products

Links to firmware updates available on the Audio Control website

Firmware downloads for Home AV processors and receivers and Director DSP amplifiers.

Firmware updates are specific to each model Concert AVR, Maestro Pre/Pro, and Director amplifier. Use the links below to find...

Concert XR 4/6/8 receivers and Maestro X7/X9 processors: firmware update instructions Important Notes – Please read before beginning the...

This article refers to firmware updates for the D4600, D2800, M6800, M6400, M4800, & M4840 DSP amplifiers. First, from the...

This article refers to firmware updates for the CM4-750, CM3-750, CM2-750 70 volt amplifiers and the RS500 and RS1000 subwoofer...

AVR-7/9 or Maestro M5/M9 Firmware update instructions: IMPORTANT NOTES Dirac files: Firmware updates clear any Dirac calibration settings that are...