The QM4 is engineered to provide a simple, all-in-one solution for live audio. : 100 Watts at 4 ohms.
: Individual Gain, Tone, and Reverb knobs for each of the four inputs. audio choice qm4 manual better
: 3-band Master EQ (High, Mid, Low), Master Level, and Reverb control. The QM4 is engineered to provide a simple,
: The built-in Reverb is a global effect. To use it, turn up the Master Reverb level, then dial in the desired amount on each individual channel. turn up the Master Reverb level