Do you have a question about the Mackie SWA1801 and is the answer not in the manual?
Appliance must not be exposed to rain or moisture to prevent fire or electric shock.
Cabinet has no rigging points; never suspend by handles to avoid damage or injury.
Description of power switch, AC receptacle, signal, limit, thermal, and power indicators.
Details on Full Range Input, Thru, and High Pass Output connectors.
Explanation of Subwoofer Level and Phase controls.
Guidance on diagnosing and resolving common operational issues like no power or poor sound.