1. Bass system equipment connection sequence: mixer (1-2 group)→ equalizer → frequency divider → pressure limiter → bass power amplifier → bass speaker.

2 auxiliary sound system equipment connection sequence: mixer (3-4 group)→ equalizer → delay device (optional)→ pressure limiter → auxiliary speaker power amplifier → auxiliary speaker.

3. Main sound system equipment connection sequence: mixer (L-R main channel)→ equalizer → excitation (optional)→ feedback suppressor (optional)→ pressure limiter → main speaker power amplifier → main speaker.

4. Connection sequence of monitoring system equipment: mixer (AUX output)→ equalizer → voltage limiter → listening speaker power amplifier → listening speaker.

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