Features

● Independent detection of speaker line impedance change, open circuit, overload and light load for 20 zones

● High-performance industry-level CPU, 32 bit high-speed DSP technology which increases detection speed and precision in each zone

● With touch screen alarm display and beeper alarm for zone fault

● Max 2A output current of DC 24V wet contact

● Support scheduled detection of load status for each zone, even a zone that is turned off

● With load short circuit protection function, automatic return to normal status after troubleshooting

● 4.3’ touch screen, easy to control and display working status of all zones

● With power-off memory function

● Compatible with 100V/70V system

● 20 channels output and 20 channels of input, support 20 audio sources or 20 zones

● Support AC 220V and DC 24V power supply, seamless switch between two modes

Specification

Guangzhou DSPPA Audio Co., Ltd. is a professional sound system manufacturers since1988. we provide zone selector, zone selector pa system, speaker zone selector, china amplifier, etc.