300W 2.1 Channel ClD Digital Amplifier Speaker Protection Board Relay Protection Module Boot Delay DC Protect

300W 2.1 Channel Cla D Digital Amplifier Speaker Protection Board Relay Protection Module Boot Delay DC Protect

Features:

1: With delay and DC protection function

2: Support DC and AC power supply

3: No independent power supply

4: Can share power

5: Widely used

Describe:

With delay and DC protection function (default 1.8V start control, DC sensitivity can be adjusted)

This common power supply DC protection board uses optocouplers. Because optocouplers are isolated from each other between input and output,

Electric signal transmiion has the characteristics of unidirectionality, etc., so it has good electrical insulation and anti-interference ability.

Also, because the input end of the optocoupler is a current-type low-impedance component, it has a strong common-mode rejection capability.

The power supply and the sound source are separated without affecting the sound source!

This protection board uses 1.6 thick 1A copper surface, double-sided tin plating proce, and the input voltage is DC 12V-16V or AC 12-16V

: Power-on (red) indicator light is on, working indicator light is normally on, and the relay is closed. If there is an impact, the protection board automatically adjusts the pull-in time (the relay is closed after the current paes)!

The power supply can be the same as the power amplifier. The negative pole of the three-channel audio source is independent. It is suitable for non-common ground andL circuit power amplifiers: the terminal is 7.62 pitch, and the 1/2W metal film exceeds the standard using internal resistance. The reduction is designed for high current!

Note: There is no delay when the protection board is turned on and off within 15 seconds (the first power-on-after turning off, there will be a delay after 15 seconds when it is turned on)!

Checklis:

1*Power amplifier board

About shipping
Shipping and Packaging All itwill be double checked and well packed before sending.Itwill 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 e areas,it may take a little longer). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties ores. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very important to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.