#AudioChoice #QM4 #UserManual #AudioGear
Since "QM4" most commonly refers to the or potentially a specific Quad Motor controller in engineering contexts, and "Audio Choice" may refer to a specific brand or a general purchasing decision, I have created a technical support article below. audio choice qm4 manual link
The QM4 features four identical, independent input channels lined up across the front panel. Each channel offers flexible inputs to accommodate varying audio sources: Spraying a small amount of specialized electrical contact
Vintage QM4 units often suffer from light surface dust or oxidation in the Master EQ sliders or volume knobs. Spraying a small amount of specialized electrical contact cleaner (like DeoxIT) into the potentiometer slots and moving the controls back and forth will quickly eliminate static noise. However, you can access documentation for similar or
Place the QM4 mixer head on a flat, stable surface with plenty of clearance around the rear vents for cooling.
Finding a direct manufacturer download link for this specific vintage unit can be difficult as SoundTech's original support pages are no longer active for legacy Audio Choice products. However, you can access documentation for similar or related models: