Maintenance of the loudspeaker

1. The user should place the amplifier in a dry and ventilated place, and avoid working in a humid, high temperature, corrosive environment with oil fume and chemical preparations.
2. The user should place the amplifier on a safe, stable, and non-falling table or cabinet to avoid damage or falling to the ground, which will damage the machine or cause greater man-made disasters, such as fire, electric shock, etc.
3. The user should keep the amplifier away from an environment with severe electromagnetic interference. For example, electromagnetic interference emitted by aging fluorescent lamp ballasts will cause the machine CPU program to be disordered, resulting in the machine not being able to work properly.
4. When wiring the PCB, pay attention that the power pin should not be too far from the water. If it is too far, add 1000--470U and place it next to its feet.