How big is the speaker when the electric bicycle is loud?

Speakers of two-wheeled electric vehicles generally use 12 volts, 36 volts, 48 volts and 60 volts. 1. The circuit between the switch and the horn is on. Maybe the switch in the horn circuit is broken and needs to be replaced.

2. It may be that the line of the horn is short-circuited, and the horn has been connected without a switch. Isolate the short circuit with insulating tape.

3. The electric vehicle enters the water after being caught in the rain, resulting in short circuit of the line.

If this happens, there is something wrong with the circuit. After this happens, you should go to a professional maintenance agency to repair the circuit. The circuit of the electric car horn is in the harness of the handlebar. If you don't know the circuit, it is not recommended to repair it yourself.

Generally around 60. The intensity of noise is calculated in decibels: 0 ~ 20 decibels is very quiet; 20 ~ 40 decibels are quiet, 40 ~ 60 decibels are general sounds, and 60 ~ 80 decibels are noisy.

80 ~ 100 decibel is very noisy; It is intolerable to exceed 100 decibel. According to international standards, outdoor noise should not exceed 55 decibels during the day and 45 decibels at night in busy urban areas; In general residential areas, it does not exceed 45 decibels during the day and 35 decibels at night.