Slowly turn up the channel's individual until the signal sounds full but clean. If you hear audible clipping or crackling distortion, back the knob off immediately.
Use the Line Out jack to send an unamplified, mixed audio signal to an external recording deck, a secondary monitoring system, or an active subwoofer unit. Maintenance & Troubleshooting
: Features an EFX loop, line out, and a footswitch option for remote reverb control. audio choice qm4 manual
Controls the overall volume sent to the speakers.
Each of the four channels functions identically and includes the following hardware adjustments: Slowly turn up the channel's individual until the
If you have cables plugged into the Send or Return jacks with no effects processor completing the loop, the internal signal chain breaks. Unplug everything from the FX loop to check if normal audio pathing returns.
The Audio Choice QM4 is a professional 4-channel passive microphone mixer designed to combine up to four microphone signals into a single output. It is a utility tool commonly used in simple PA setups, small recording projects, or situations where a powered mixer is unavailable. Device Overview Maintenance & Troubleshooting : Features an EFX loop,
: For connecting to additional amplifiers or recording devices.
Dictates how much of that channel's signal is routed to the internal spring reverb tank. 2. Master Section Controls
requires passive speakers—such as the factory-matched —to function safely. Connect them via heavy-duty 1/4-inch TS speaker cables.