Audio Choice Qm4 Manual Repack
relies on analog circuitry, keep it away from direct moisture, spills, and poorly ventilated, enclosed racks. Periodically clear any dust from the rear ventilation slats to allow the internal heat sinks to cool down the integrated power amplifier under high-demand live use.
The Audio Choice Professional Audio SoundTech QM4 Go to product viewer dialog for this item.
Ensure the power switch is OFF before making any connections. audio choice qm4 manual
Disconnect power. Spray specialized electronic contact cleaner (like DeoxIT) into the gap behind the knob, then turn the dial back and forth 30 times. Blown fuse or broken speaker connection.
Venues present distinct acoustic challenges that can be remedied using the 3-Band Master EQ: Room Character Recommended EQ Adjustment Excessive Echo, Harsh Highs Cut High knob slightly; push Mid up for presence. Boomey Rooms / Thick Carpets Muddy Audio, Loss of Clarity Cut Low knob; boost High knob to highlight vocals. Tight Spaces / Low Ceilings High-pitched Feedback Squeal Cut the Mid or High knob down until the ringing stops. 🛠️ Advanced Troubleshooting Protocols relies on analog circuitry, keep it away from
Regulates how much of that channel’s signal is directed to the internal global spring reverb module. 2. Master Control Section
| | Specification / Detail | | :--- | :--- | | Product Type | 4-Channel Powered Mixer Amplifier | | Manufacturer | SoundTech (under the 'AudioChoice' brand) | | Total Power Output | 100 Watts RMS @ 4 Ohms | | Frequency Response | 20 - 20,000 Hz (typical) | | Signal-to-Noise Ratio | >100dB (typical) | | Total Harmonic Distortion (THD) | <0.1% (typical) | | Channels | 4 | | Inputs | XLR & 1/4" per channel, plus Send/Return effects loop | | Master Section | 3-band graphic EQ (Low, Mid, High), Reverb & Level controls | Ensure the power switch is OFF before making any connections
" on your device or use by tapping your compatible phone against the "N" logo on top of the bar. Audio Tips: The
: Controls the global output level sent to the speakers. Keep this down when powering the unit on or off to prevent speaker pops.
Confirm the Master Level and individual channel Gains are not set to zero.
: Ensure the Master Volume, Channel Gain, and Master EQ settings are turned up past zero.