Because of the vibration of the snail horn through the resonance box, under the same power, the sound will become louder and spread farther, and at the same time it will save electricity relatively, and the sound will sound loud and full.
The sound of the electric horn is "beep, beep ~ ~ ~"
The sound of the snail horn is: "Ba, Ba ~ ~ ~ ~ ~"
Compared with traditional speakers, it has fuller sound and longer service life.