public address system
noun[C]
uk/ˌpʌb.lɪk əˈdres ˌsɪs.təm/us/ˌpʌb.lɪk əˈdres ˌsɪs.təm/(abbreviationPA)equipmentfor makingsoundlouderin apublicplace
扩音器，扩音系统Amplifiers, microphones & speakers
- amplifier
- balance
- bass
- bullhorn
- earphone
- electrophone
- headphone
- headphones
- headset
- hot mic
- loudhailer
- megaphone
- mic
- microphone
- mike
- mike check
- pa
- soundbase
- speaker
- Tannoy