Audio Choice Qm4 Manual May 2026

: Set all gain, level, and EQ knobs to zero (or "unity") before powering on to prevent sudden loud feedback or speaker damage.

: Includes a 3-band EQ, master reverb, and level controls. audio choice qm4 manual

: Adjust the Gain for each channel until you have a strong signal without clipping (distortion), then use the Master Level to control the overall volume. Troubleshooting and Maintenance : Set all gain, level, and EQ knobs