Be cautious of third-party "manual link" sites that require a subscription or credit card. The Audio Choice QM4 manual is a free document. Avoid any link ending in .exe or asking for software installation.
Just a quick heads-up for anyone tracking down the user manual – I know it can be oddly hard to find with a simple search. audio choice qm4 manual link
Bookmark it. Download the PDF. Then spend your time enjoying clean, bridged power rather than troubleshooting a fried amplifier. Be cautious of third-party "manual link" sites that