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 the firmware update for your specific product:

AVR’s and Pre/Pro’s

XR-8

XR-6

XR-4

X9

X7

AVR-7

AVR-9

MAESTRO M9

MAESTRO M5

CM 70 VOLT AMPLIFIERS

CM4-750

CM3-750

CM2-750

RS SUB AMPLIFIERS

RS 1000

RS 500

DIRECTOR AMPLIFIERS

D4600

D2800

DIRECTOR MATRIX AMPLIFIERS

M6800

M6400

M4800

M4840