Designed to organise a public address system with switching -100-volt signal from amplifiers in the public address line, with built-in control of public address lines, amplifiers and the possibility of redundancy of amplifiers. Number of public address lines 8; Maximum load power in the line 500 W; Range of measuring line resistance from 0 Ohm to 3 kOhm; Time to check one line 5ms; Power supply DC 24-60V, 20 W; Dimensions 482h88h200 mm; Weight 5kg.
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