Firmware: update files for Home X/XR series; AVR 7/9; Maestro M5/M9 and Director amplifiers.

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  4. Firmware: update files for Home X/XR series; AVR 7/9; Maestro M5/M9 and Director 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

RS SUB AMPLIFIERS

RS 1000

RS 500

DIRECTOR AMPLIFIERS

D4600

D2800

DIRECTOR MATRIX AMPLIFIERS

M6800

M6400

M4800

M4840

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