- Amplifier
- Enhancer
- Launch vehicle
- Amplifier
- Does noisy orator use one?
- Megaphone higher in volume, carrying voice
- PA sound box
- PA sound equipment
- PA system
- Part of a PA system
- Announcer’s device
- Karaoke essential
- Microphone
- Microphone (coll)
- Singer's amplifier
- Singer’s amplifier