Improved method of power amplifier

　　 1. Use a three-core φ4mm silver-plated core wire as the power cord (the original power cord is removed and used)

　　 2. Remove the 8A fuse of the power amplifier power supply. Use a 10A air switch to replace the fuse (Note: connect each end of the original fuse circlip to the terminal on the air switch, and just turn the switch to ON).

　　 3. Remove the two-contact relay used to protect the output end of the power amplifier and replace it with a four-contact relay (Note: After the two-contact relay is removed. The four-contact relay cannot be installed. The middle of the four-contact relay needs to be installed. Cut off the two feet. But do not cut off the roots, you should leave 0, 5-1 mm to the feet of the channels on both sides for welding, you need to use wires to connect and weld. The contacts are used in parallel. Increase the current capacity).
        4. The signal line from the power amplifier input terminal to the power amplifier board. Connect with a double-core shielded silver-plated copper wire with a diameter of 0.5 mm or more.

　　 After the above measures, the goal is to solve the bottleneck problem.

　　Increase the amount of current, and the final result is: high sensitivity and sound pressure level, wide frequency response (extremely rich and fine: Xiao is very good), and the audio output power is large (and does not require too much power amplifier).

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