
Ampero II
Firmware Release Note
Version 1.3.1
Released 6/11/2026
Notice
- Please be sure to use the latest Ampero II V1.4.0 software to perform the firmware update.
- To prevent any possible issue, please backup your patches first before updating.
Improvements, Changes & Bug Fixes
1. Fixed popping noise and power-on failure caused by DSP instability
2. Other minor improvements and bug fixes
Ampero II Stage
Firmware Release Note
Version 1.6.5
Released 6/11/2026
Notice
- Please be sure to use the latest Ampero II V1.4.0 software to perform the firmware update.
- To prevent any possible issue, please backup your patches first before updating.
Improvements, Changes & Bug Fixes
1. Fixed popping noise and power-on failure caused by DSP instability
2. Other minor improvements and bug fixes
Ampero II Stomp
Firmware Release Note
Version 2.4.1
Released 6/11/2026
Notice
- Please be sure to use the latest Ampero II V1.4.0 software to perform the firmware update.
- To prevent any possible issue, please backup your patches first before updating.
Improvements, Changes & Bug Fixes
1. Fixed popping noise and power-on failure caused by DSP instability
2. Other minor improvements and bug fixes