: Added "NORMAL" and "WIDE" settings for digital inputs (DG2 and OPT2). This allows users to set the PLL to WIDE to maintain a stable connection with digital sources that have high jitter levels (e.g., some TVs or budget streamers).
Ensure the supplied Bluetooth antenna is firmly screwed into the rear panel, as a weak antenna connection can mimic software-based pairing failures. Summary of Audiolab 6000A Core Specs Specification Class AB (2 x 50W into 8 Ohms) DAC Chip ESS Sabre32 ES9018K2M Digital Inputs 2 x Coaxial, 2 x Toslink Optical Analogue Inputs 3 x Line Level, 1 x Moving Magnet (MM) Phono Wireless Bluetooth aptX Update Method Factory/Service Center Only (No consumer USB port) Preserving Your Audiolab 6000A
: For units using the ST32F105 chip. These units typically show VER-0XX in the menu.
The firmware flashing utility provided by Audiolab is designed to run on Windows operating systems.
Insert the USB drive into the socket on the back. 3. Initiate the Update Process Press and hold the front panel Standby button . Audiolab 6000a Firmware Update
Simply put, if your amp works perfectly, you may not need to update. But if you experience any digital oddities, the firmware update is the first—and usually final—solution.
Resolves rare bugs where the amplifier might freeze when switching rapidly between digital inputs.
If you are unsure, you can verify your hardware by looking through the ventilation gaps at the internal processor chip located around the "8 o'clock" position. A chip requires GVR firmware, while an ST32F105 chip requires ST firmware. Preparation Requirements
: Use a USB drive with a capacity of 32GB or less , formatted to FAT32 . : Added "NORMAL" and "WIDE" settings for digital
Watch the OLED display. It will briefly flash the current firmware version (e.g., Ver: 0.26 or similar structural numbering) before entering the standard operational mode. The Step-by-Step Firmware Update Process
If no issues are present, —many 6000A units never need a firmware change.
As of 2025, the two most common firmware versions in circulation are and v1.5 . Here is what each one delivers:
Turn the amplifier back on. It is highly recommended to perform a factory reset via the user menu immediately after an update to clear out old system cache. Troubleshooting Common Update Issues Summary of Audiolab 6000A Core Specs Specification Class
Since the Audiolab 6000A is a bridge between classic integrated amplifiers and modern network streaming (when paired with the 6000N), firmware updates are essential for improving stability, adding features, and fixing software bugs.
Note: If the display sticks and the unit doesn't shut down, the USB drive might be incompatible. 5. Verify the Update Turn the unit on normally.
Before attempting any update:
Updating the firmware on your Audiolab 6000A can solve many performance issues, but the process requires precision. The key takeaways are: