For amplifying audio signal use
1. With an advanced and efficient power amplifier circuit;
2. With 5 input channels and the volume of each channel can be adjusted either respectively or unified
3. The first microphone be of the highest priority, with the function of forcibly cut in;
4. With the constant voltage of 100V, 70V and the constant resistance of 4-16 ohms
5. With audio line output to connect external amplifier.
6. With 8-segment LED level indicator to mark the output volume of the amplifier
7. With an amplifier system structure of less emission of the heat and higher efficiency.
8. With the alarming and protection function against any malfunction of the machine.