Features:

-Standard chassis design, 2U aluminum alloy brushed panel; user-friendly drawing design, beautiful and practical;

-Microcomputer control, working status LED display, at a glance;

-6 channels of main power amplifier input, 1 channel of spare power amplifier input, and 12 main and 1 spare

-The output volume of 6 channels can be adjusted independently;

-Automatic detection of audio amplifier failure and automatic switching between main amplifier and standby amplifier;

-Ensure that the broadcast system will not output sound from the speaker when the main power amplifier fails;

-Large channel switching capability: 150V / 20A, audio signal;

-From fault detection to automatic switching to achieve fully automatic unattended, the school's test room, the first choice for large venue applications

Technical Parameters 

-Number of main channel groups: 6 groups (CH1 ~ CH6);

-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), unbalanced 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 inspection cycle: 20mS, tour inspection 30 times;

-Signal input port: In PUT (CH1 ~ CH6);

-Looped signal output port: OUT PUT (CH1 ~ CH6);

-Connect to the input port of the main power amplifier: INPUT (CH1 ~ CH6);

-Connect to the input port of the standby power amplifier: OUTPUT (SPARE);

-Connect to the main amplifier output port: MAIN AMPLIFIER (CH1 ~ CH6);

-Connect to the output port of the standby power amplifier: SPARE AMPLIFIER;

-Speaker interface: SPEAKER OUTPUT (CH1 ~ CH6);

-Function control: one power on key, one reset key, one alarm sound key, and five volume adjustments,

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

-Indicators: POWER, CH1 ~ CH6 normal working indicator, CH1 ~ CH6 fault status indicator, CH1 ~ CH6 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: 88 (H) × 485 (W) × 340 (D) mm;

-Net weight: 7.5kg;