Functional Description： The Lightning Arrestor protects PA system with outdoor speakers from potential damage caused by thunder storms and lightning.   Four independent channels provide p..

Functional Description： ※ Supports 16 zones for monitor with built-in speaker 5W/8Ω. ※ Supports alarm broadcasting. ※ Each zone has LED indicator. ※ 25-pin computer activation bus. Speci..

Functional Description： The cassette deck is an ideal as a background music source in a sound system of all sizes, Dual autoreverse lets you copy both sides of a tape with the press of a button, or ..

Functional Description： The 24VDC Switch Power Supply is a 16 channels switching power supply for  use in a public address system to forcefully insert  24VDC over the system  to prov..

Functional Description： The power sequencer is used to manage a PA system’s power requirements  so that it may turn on up to 16 system components according to the order  that is des..

Functional Description: ※ high-grade aluminum 2U black drawing panel, nice; ※ microcomputer control, graphical interface, multi-level menu mode of operation; ※ Simplified Chinese, Traditional Chi..

Functional Description： The PA power amplifiers are designed to operate under a variety of conditions without fail,modles with much  higher power support the conditions where high power level o..

Functional Description： The PA power amplifiers are designed to operate under a variety of conditions without fail,modles with much  higher power support the conditions where high power level o..

Description Descriptions of 2.0 Active Wall Mounted Bluetooth Speaker RH609BL This RH-AUDIO 2.0 Active Wall Mounted Bluetooth Speaker RH609BL is a versatile solution for a variety..

Functional Description： This ceiling speaker are ideally suited for installation in areas for  the sound reproduction of reading announcements,declaring states of emergency,and playing backgrou..

Functional Description： This ceiling speaker are ideally suited  for  installation in areas  for the sound reproduction of reading announcements, declaring states of emergency,  ..

Fireproof Ceiling Speaker 3W/6W The Fireproof Metal Ceiling Speaker can deliver incredible stereo sound to any room or commercial applications,from speakers you can barely see by being installed d..