Audio Choice Qm4 Manual Jun 2026

Since the device is passive, it cannot pass Phantom Power (48V). Do not use condenser microphones with the QM4 unless they are self-powered by their own batteries.

Controls the amount of built-in spring reverb effect applied to that channel. Master Section: audio choice qm4 manual

Ensure you are not sending a line-level signal (like from a CD player or keyboard) into the mic inputs, as this will overdrive the internal transformers. Since the device is passive, it cannot pass