※ Number of main channel groups: 5 groups (CH1 ~ CH5);

※ Spare channel: 1;

※ Channel switching capability: 150V/20A, audio signal;

※ Signal input port parameters: 0.775V (0 dB), 10k ohms (Ω), unbalanced;

※ Signal output port parameters: 0.775V (0 dB), 10k ohms (Ω), unbalance Note: When the volume is adjusted to the maximum;

※ Input detection threshold: 50mV, detection time constant 20mS;

※ Output detection threshold: 100mV, detection time constant 20mS;

※ Tour detection cycle: 20mS, tour detection 30 times;

※ Signal input port: In PUT (CH1 ~ CH5);

※ Ring signal output port: OUT PUT (CH1 ~ CH5);

※ Connect the main amplifier input port: INPUT (CH1 ~ CH5);

※ Connect the standby power amplifier input port: OUTPUT (SPARE);

※ Connect the main power amplifier output port: MAIN AMPLIFIER (CH1 ~ CH5);

※ Connect the standby power amplifier output port: SPARE AMPLIFIER;

※ Speaker interface: SPEAKER OUTPUT (CH1 ~ CH5);

※ Function control: one power supply key, one reset button, one alarm key, five volume adjustments,

One address switch (2 digits) of the device address setting, one online control interface, and one short-circuit power activation port;

※ Indicator light: POWER, CH1 ~ CH5 normal working indicator, CH1 ~ CH5 fault status indicator, CH1 ~ CH5 switching status indicator;

※ Protection: AC FUSE × 0.5A × 1;

※ Power cord: (3 × 0.5mm2) × 1.5M (standard);

※ Power supply: AC 220V ± 10% 50-60Hz;

※ Power consumption: 20~25W;

※ Machine size: 89 (H) × 483 (W) × 350 (D) mm;

※ Net weight: 6.9kg;