If the device is not passing signal:
: https://www.sony.com/electronics/support/res/manuals/4555/45555281M.pdf audio choice qm4 manual link
Unfortunately, I couldn't find a direct link to the Audio Choice QM4 manual. However, I recommend visiting the Audio Choice website or searching online for the manual using the keywords mentioned above. If the device is not passing signal: : https://www
: Best suited for bands, DJs, karaoke, and seminars. audio choice qm4 manual link