What should I do when setting up the A4ti for the first time?
Connect the passive loudspeakers with speakON cables, set the MODE and LINK settings (6-9), connect balanced inputs via XLR cables, select input sensitivity, link signals if necessary, set level knobs to minimum, connect mains cable and power on.
From the official Dbtechnologies A4TI Professional 4 Channel Power Amplifier manual, page 4
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