: Users report ultra-crisp audio with surprisingly deep bass response for its size.
If you are looking for the soundbar often labeled "QM4" in search results, the official Q Acoustics M4 User Manual is available for direct download. audio choice qm4 manual link
: If you need general operating logic (e.g., phantom power, EQ settings), this Professional 4-Channel Mixer User Manual provides nearly identical layout instructions. : Users report ultra-crisp audio with surprisingly deep
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 audio choice qm4 manual link