MAG2121I PA System Speaker Selector & Line Checker

Features:

● 20 zones amplifier inputs, 20 zones speaker outputs
● LCD touch screen control with clear status display
● Each zone detection of short/open/over load/under load/
● Auto check of each zone at an appointed time
● Avoid checking zones that are working or short/over load
● Check range of each zone: 20Ω-

Introduction:

Line open: differ more than +25% from the measurement;

Over load: +15%-+25% from the measurement;

Under load: -15%--25% from the measurement;

Line short: differ less than -25% from the measurement.

Connection: