Firmware upgrade method:
→Put THRU-16 into upgrade mode (Disconnect USB power supply-press and hold the update key - connect USB to the computer - release the update key - the USB Device red light flashes)
→Open "MIDI Stream Config" and upgrade the latest firmware (Help - Firmware Upgrade - Connect）
→Select the .bin file and click "Upgrade"
(If there is a newer firmware, the product firmware will be automatically upgraded!)

"MIDI Stream Config" download link: https://www.doremidi.cn/h-col-114.html


V1.4.5
1. Upgrade content:
>>Optimize MIDI output for MIDI OUT4 and MIDI OUT5 when using USB input.

2. Upgrade target: 
>>Users who purchased before August 21, 2026.





