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A public address system (or PA system) is an electronic system comprising microphones, amplifiers, loudspeakers, and related equipment. It increases the apparent volume (loudness) of a human voice, musical instrument, or other acoustic sound source or recorded sound or music.
Public address systems — or PA systems — are specially designed mixer, amplifier, and speaker combinations used to communicate with an audience. Typical speakers like portable Bluetooth® speakers are used to simply play back prerecorded audio, like streaming music.
2018年11月14日 · PA stands for public address, i.e projecting sound to a large group of people louder than you could by talking or playing an acoustic instrument. Your first thought of PA speakers could be of those used at concerts or sports stadiums, but there are so many other applications for a PA system that one day you might have to buy one yourself.
生活中常常聽到 PA ，但你知道 PA 是什麼的縮寫嗎？. PA systems = Public address system，中文是擴音系統。. PA 系統 包含 麥克風、擴大機、喇叭。. 為控制多軌音源，還要再搭配混音器。. 主要目的為放大人聲、樂器、音樂背景，或是其他音源的音量，使擁有足夠的音量 ...
Public Address systems are the unsung heroes of events and venues, ensuring that messages, music, and voices reach audiences with clarity and impact. Understanding the components, operations, and challenges of PA systems is essential for anyone involved in event planning, sound engineering, or audio technology.
2023年10月3日 · A Public Address (PA) system is an electronic audio amplification system that is used to amplify sound from a source, such as a microphone, to a larger audience. It is also known as a sound reinforcement system. A typical PA system consists of four main components: microphones, mixers, amplifiers, and loudspeakers.
2023年2月10日 · A PA system, or a public address system, is a collection of equipment, used to amplify and distribute sound to a large audience. Whether it's for a concert, a speech, or a corporate event, PA systems are an essential tool for effective communication and sound reinforcement.
