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1. It has four signal inputs (70V/100V audio signal) and four signal outputs (70V/100V audio signal)

2. This machine can automatically monitor whether the output signal line has been struck by lightning. When a lightning strike is detected, it can automatically disconnect the input and automatically lead the lightning to the earth through the safety ground wire network

3. Channel switching capacity: 20A/70-100V, audio signal

4. It has lightning protection, overvoltage protection and leakage protection functions

5. It has 2 kinds of LED to display the working status of the machine (normal operation and fault protection)

6. Lightning protection grade: meet IEC529/EN60 529 protection grade: IP20

7. Supporting protection equipment for lightning protection system of outdoor broadcast line