Wedding ceremonies and receptions almost always happen in different locations — even at the same venue. The ceremony lives outside (garden, beach, lawn, courtyard) or in a dedicated ceremony room. The reception lives in a ballroom, terrace or backyard.
Ceremonies need battery power because there's rarely an outlet near the altar, and even if there is, you don't want extension cords running across photos. Receptions have venue power, dance floor speakers, subwoofers, lighting, more microphones. The two rigs travel in different vehicles, set up at different times, and run different sound profiles — ceremony is clear vocal-forward speech and music, reception is full-spectrum dance-floor energy.
Trying to share one rig means moving the gear mid-event — which eats your cocktail hour, risks gear in transit, and leaves a cocktail crowd in awkward silence while we walk speakers from the lawn to the ballroom.