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Product Instructions:

Metal compression air cylinder, connected via intermediate hose; the speaker is a plastic cone speaker, with a hose length of 60-65 centimeters. Loud sound, excellent quality.

Loudspeakers are safety components found in vehicles. They can be categorized into electric vibration, pneumatic vibration, and electronic speakers. Based on their shape, they can also be divided into bowl-shaped, snail-shaped, and tube-shaped loudspeakers.

Electro-vibrating speakers produce sound by causing a metal diaphragm to vibrate through electromagnetic action. These speakers allow for easy tuning of the pitch, and the sound is pleasant, making them widely used in cars, tractors, and motorcycles. Small to medium-sized cars typically use bass-shaped speakers that are compact, lightweight, quiet, and have strong directionality.

The most notable feature of the snail horn is its pleasant sound, which is commonly used in cars with low directional requirements.

Pneumatic vibration speakers produce sound by using air flow to push a metal diaphragm. They are mostly cylindrical in shape and are commonly used in large vehicles with pneumatic braking systems. Their features include high volume, strong directionality, and long sound propagation range. The drawbacks are poor sound quality and large size. However, the snail-shaped pneumatic vibration speakers that have emerged in recent years have significantly reduced their size and improved their sound quality greatly.

Electronic speakers produce sound through an electronic audio amplification circuit that drives the speaker. Their main advantage is that the sound intensity and tone adjustment are easier, and the sound quality is also excellent. Due to the absence of contacts, not only is the failure rate low, but the service life is also longer.

There are no specific national regulations regarding which type of horn a car should use; it is up to the manufacturer to decide. However, to reduce noise pollution, the state has set limits on the sound level of the horns, which range from 90 to 115 decibels.