PA (Public Address)

A public address (PA) system, often called a PA system, is an electronic audio system used to amplify and distribute sound to a large audience, making it easier for a speaker to be heard in a public space. It typically includes a microphone, amplifier, and speakers.

Components of a PA system:

Microphone: Picks up the sound from the speaker or performer.
Amplifier: Increases the volume of the audio signal.
Speakers: Convert the electrical signal back into sound waves for the audience to hear.

Applications of PA systems:

Public events: Concerts, rallies, and sporting events.
Announcements: In buildings like schools, hospitals, and shopping malls.
Emergency alerts: Providing urgent instructions during emergencies.
Music playback: In background music systems.

How a PA system works:

The speaker or performer talks into the microphone.
The microphone converts the sound waves into an electrical signal.
The amplifier increases the strength of the electrical signal.
The speakers convert the amplified electrical signal back into sound waves, which are then distributed to the audience.

Audio & Visual
Hikvision DS-QAE1A80G1-VB
Read more

Hikvision DS-QAE1A80G1-VB Network IP 2-Zone Amplifier – Total 80W Output – Works with HCP
Audio & Visual
Hikvision DS-QAZ1MP7G1
Read more

Hikvision DS-QAZ1MP7G1 Network IP PA Paging Microphone – 7″ (7-Inch) Display Touchscreen – Smart Audio Linkage – Works with HCP
Audio & Visual
Hikvision DS-QAZ1120G1R-B/Black
Read more

Hikvision DS-QAZ1120G1R-B/Black Network IP Cabinet Speaker – 20w Output – Bluetooth – Built-in 64GB eMMC – Built-in Mic – Smart Audio Linkage – Works with Hik-Partner Pro, iVMS-4200, Hik-Connect, HCP
Audio & Visual
Hikvision DS-QAZ1110G1R-BE/Black
Read more

Hikvision DS-QAZ1110G1R-BE/Black Network PoE IP Cabinet Speaker – 10w Output – Bluetooth – Built-in 64GB eMMC – Built-in Mic – Smart Audio Linkage – Works with Hik-Partner Pro, iVMS-4200, Hik-Connect, HCP
Audio & Visual
Hikvision DS-QAZ1606G1-BE
Read more

Hikvision DS-QAZ1606G1-BE Network PoE IP Ceiling Speaker – Frameless – 6w Output – Bluetooth – Built-in 64GB eMMC – Built-in Mic – Smart Audio Linkage – Works with Hik-Partner Pro, iVMS-4200, Hik-Connect, HCP
Audio & Visual
Hikvision DS-QAZ1325G1T
Read more

Hikvision DS-QAZ1325G1T Outdoor-Rated Weatherproof Network IP Horn Speaker – 25w Output – Built-in 4GB eMMC – Built-in Mic – Smart Audio Linkage – Works with Hik-Partner Pro, iVMS-4200, Hik-Connect, HCP
Audio & Visual
Hikvision DS-QAZ1307G1T-E
Read more

Hikvision DS-QAZ1307G1T-E Outdoor-Rated Weatherproof Network PoE IP Horn Speaker – 7w Output – Built-in 4GB eMMC – Built-in Mic – Smart Audio Linkage – Works with Hik-Partner Pro, iVMS-4200, Hik-Connect, HCP
Audio & Visual
Hikvision DS-QAZ1120G1R-B
Read more

Hikvision DS-QAZ1120G1R-B Network IP Cabinet Speaker – 20w Output – Bluetooth – Built-in 64GB eMMC – Built-in Mic – Smart Audio Linkage – Works with Hik-Partner Pro, iVMS-4200, Hik-Connect, HCP
Audio & Visual
Hikvision DS-QAZ1110G1R-BE
Read more

Hikvision DS-QAZ1110G1R-BE Network PoE IP Cabinet Speaker – 10w Output – Bluetooth – Built-in 64GB eMMC – Built-in Mic – Smart Audio Linkage – Works with Hik-Partner Pro, iVMS-4200, Hik-Connect, HCP