Power Amplifier

500W monophonic constant-voltage audio power amplifier, high-power Darlinton triode parallel push-pull output, high-power overmeasure, high reliability. Use of digital logic control technology, touch key, easy and simple and visualized operation. 32-grade digital control of volume, abrasion free, super long life, volume storage and memory, automatic value assignment at startup. LED bar display meter for volume and output level. High-speed-response latching output overload protection, output short circuit protection, automatic restoration. Protective circuits for input overvoltage and output overvoltage effectively protect the Power Amplifier from damage by accidental operation. Output protection for time delay of startup. AC220V power supply, undervoltage and overvoltage protection. Heat radiation with a large radiator, providing overheating protection function. Overload display lamp, alarm display lamp, sending signals to the interlocking controller when an alarm is given. Externally controlled startup port, automatic powerup, interlocked voice alarm broadcast. Output by constant voltage 120V.