Locate the power strip in the in the rack under the sound board in the A/V cart.
The switch will turn on all audio equipment including the speakers.
Optionally the subwoofer amplifier can be turned on to activate the subwoofers. This is not needed for events without music.
Ensure that all faders on the sound board are down.
Switch off the subwoofer amplifier if it was turned on.
Turn on the switch in the power strip to run off all equipment.