Owner's manual

Thank you for purchasing this QTX Sound QA-series power amplifier.
This product is intended to give long term, reliable service in normal usage.
Please read these instructions before use to avoid incorrect operation and outline the functions and controls.
(1) VENTILATION GRILLE - Do not cover or restrict airflow
(2) CHANNEL A+B LEVEL - Attenuate output levels
(3) INDICATOR LEDS - Show signal present, clipping or protect mode
(4) POWER SWITCH - Switches mains power on/off