☆ 4 master amplifier input and output auto-backup;

☆ find the main amplifier can automatically detect faults and the main amplifier and automatic switching between the standby power amplifier;

☆ LED working status indication for each channel;

☆ warning voice of a problem the main amplifier, power amplifier equipment replacement.

Use: some important occasions, such as schools, shopping malls, mines, conference rooms, on-site studio and so on, demanding the equipment needed to work long hours, and not a break, this time is the need for standby power amplifier replacement device , it can always detect the work of equipment and spare equipment, working conditions, once the work equipment failure, which can be detected immediately and within 0.01 seconds to switch up the standby power amplifier, the system will not be interrupted broadcasting, and thus play a standby switch effect.