Car AMP Amplificador Home Theater ZK-1002D 24v 3a Power Supply

RM1307731648100573

Package include :

1pcs Power Amplifier

(Notice:this price don't include power supply,if you need it,you needPurchased separately) Question and answer: 1. How to choose a power supply? The power supply with the board is critical. The higher the voltage, the higher the current and the better the output power. If you only have 12V 1A, you can bring a 3-4 inch speaker. If you are 19V 5A or above, there is no problem with 8-10 inches, and the power supply must be highly valued. If the voltage is too low, the sound will be distorted after the sound is amplified. If the current is too small, the speaker will pull the voltage low, work abnormally or the sound quality will deteriorate. It is recommended to use 18V19V24V power supply with current above 3A. If you only have 9V12V or 1A 2A power supply, it can also be used but the power is small. Please pay attention to the maximum volume when using it, which may affect the sound quality. 2. How to choose a speaker? Commonly used speakers are generally 4 s or 8 s, can not distinguish between positive and negative, the effect is the same.If your speaker power is small, it may be used between 20W-50W. The power supply voltage is small to prevent the amplifier from burning out after burning. For example, select a power supply below 15V. If you are a 100W-200w speaker, don't worry about the speaker burnout. You can choose 12-24V power supply. The higher the voltage you choose, the louder the output sound or power.The speaker power is not recommended to exceed 200W, otherwise the sound quality will be affected. 3. How to choose Bluetooth or AUX audio input mode? This audio amplifier module follows the principle of hardware connection first.A succeful USB connection is in USB mode, and AUX insertion is in AUX mode.If the USB is not connected and AUX is not plugged in, it is in bluetooth mode, which supports automatic reconnection.Mode toggle with mode prompt.When choosing USB audio input mode, it is ant to note that USB can directly connect to the computer and other devices with USB audio output without installing a driver.USB input is lole input, good sound quality, no interference, no noise. 4. When the sound becomes louder, the phenomenon of turbid sound appears. The sound is distorted. Please change the adapter power supply with a higher voltage rating. 5. After the sound becomes louder, the sound is stuck. The input power is insufficient, and the power supply itself is intermittently powered off. Please replace the power supply with a larger power. Or the output power is too large, the power amplifier board is seriously heated, and thermal protection occurs, reducing power usage or enhancing heat diipation.

About shipping
Shipping and Packaging All items will be double checked and well packed before sending.Items will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer). 

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