What matters most
A short reception, a small office gathering or a ceremony-only event may need reliable background music more than live mixing.
Points to work through
- If there are no announcements, entrances or dance floor to run, a tested playback plan can be enough.
- You still need someone to own the sound system, adjust volume and handle a failure — "no DJ" is not "no operator".
- Build the playlist by phase (arrival, dinner, wind-down) and test the full chain on the real device and cable.
- Keep a backup device with the same files, and decide in advance who presses play and who fixes problems.
- If a single unexpected moment could need live control, a short DJ booking is cheaper than a silent room.