PA System
A public address system (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.
PA Panel
PA Panel is the control panel used to relay messages at different places of the system using Speaker, amplifier and mics. Connection to each port is provided so that the controller can target the audience at specific place of a premises. The controller can also send the message to all the places at once.
Speaker
A loudspeaker is an electroacoustic transducer; a device which converts an electrical audio signal into a corresponding sound. The most widely used type of speaker is the dynamic speaker. The sound source must be amplified or strengthened with an audio power amplifier before the signal is sent to the speaker.
Mic
A microphone is a device that captures audio by converting sound waves into an electrical signal. This signal can be amplified as an analog signal or may be converted to a digital signal, which can be processed by a computer or other digital audio device.
Amplifier
An amplifier is an electronic device or circuit which is used to increase the magnitude of the signal applied to its input. Amplifier is the generic term used to describe a circuit which produces and increased version of its input signal.
