Audio Choice Qm4 Manual Link Better

features a built-in spring or digital reverb. Use the "Reverb" knob on each channel to decide how much effect is applied to that specific input, then use the Master Reverb knob to control the overall intensity. Troubleshooting Common Issues

While it has internal fans, always leave space in your rack for airflow. Heat is the primary enemy of power transistors. Level Matching: audio choice qm4 manual link