: Turn up the Master Reverb knob halfway, then dial in the individual channel Reverb pots to add depth to singing microphones without washing out the spoken word. Troubleshooting Common Issues Probable Root Cause Actionable Fix No Sound Output Improper cable routing or zeroed master levels
The QM4 system is valued for its "rugged and easy to operate" design. Specification 100 Watts RMS @ 4 Ohms Mixer Channels 4 Channels with independent Gain, Tone, and Reverb Inputs Combination 1/4" and XLR ports per channel Master Controls 3-Band EQ, Master Reverb, and Level controls Outputs EFX Loop, Line Out, and Footswitch option Speakers Two 10" enclosures with performance-rated horn tweeters Weight Mixer head: ~9.5 to 20.5 lbs; Speakers: ~22 lbs each Setup and Operation Guide audio choice qm4 manual link
Are you getting an (like static, cutting out, or one speaker not working)? : Turn up the Master Reverb knob halfway,