EVERSHOW AUTO ACCESSORIES CO.,LTD
EVERSHOW AUTO ACCESSORIES CO.,LTD
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EST2051 Chrome Grill Cover Car Horn Replacement Iron Material 12V / 24V 125mm 115DB
Brief details:
Voltage: 12/24V
Current:≧3.7A
Sound Level:105-115 DB
Frequency: H:430±20 L:320±20
Dia: 125mm
Tips : Characteristics of car speaker
Into the car audio shop, in addition to the wide variety of host and power amplifier, you will see the different styles, sophisticated chic speaker (speaker), you may think that with general home audio, actually otherwise.What's the difference?
(1) temperature
Household speakers are used in the room, so the temperature difference is small, while the car works outdoors, with the climate changing, the temperature difference is large, so we should resist the temperature aging.
(2) the humidity
When the car is in rain, walk have water section, when washing car all want to be subjected to damp attack, so car loudspeaker needs moistureproof, now more use moistureproof chemical composition material sound basin.
(3) the dust
Household appliances loudspeaker is used in the room, so less dust, and more dust inside the car, need dust cover to prevent sound ring friction noise.
(4) vibration
The car loudspeaker is always and everywhere affected by the vibration of the car when moving, so the design should be firm and not loose.
(5) noise
Considering all kinds of noise and vibration, different materials are used to offset different noises.
6. The impedance
Automotive low voltage power supply, in order to obtain greater power, the impedance of the speaker is small, use more 4Ω 3.2Ω, 2Ω
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