High-impedance port configured for acoustic-electric guitars, keyboards, bass preamps, or line-level playback gear (such as laptops or phones using an adapter).
Switch the QM4 power rocker to the position. The power LED indicator will illuminate. System Settings Quick Reference Use these optimal baselines to dial in your mix safely. Component Parameter Recommended Baseline Operational Function Channel Volumes 12 o'clock (midway) Balances relative levels between performers. Master Volume Start at 0, dial up gradually Sets overall venue sound pressure level. Master Graphic EQ Flat center position (0 dB) Standard room baseline before corrective tweaks. Source Gain Signals Below audible distortion Maximizes headroom without clipping. Operational Best Practices and Gain Staging audio choice qm4 manual
⭐⭐⭐½ (3.5/5)