upc 1237 dual channel บอร์ดป้องกันลําโพง dc 12-24v

The speaker protection board using UPC1237 dedicated chip design and manufacturinghas a power-on delay and DC protectioninstant shutdown featureall-round protection of your expensive speaker!
Sheet selection 1.6MM thick high-FR-4 board manufacturing tin foil sprayed10A relay is loose music quality the resistance rings are gold film resistor copper feet. And with a red power indicatorpower relay approximately 3 secondsindicating that green lightthe work indicator.
The protection board using a single power supply voltage AC 10V-18VDC 12-24Vyou can take a group of electric power to the amplifier board.Try to use conditional independence winding or separate power supply.
Mute delay bootshutdown speed off.
Amplifier midpoint potential protectionthe midpoint of DC from the control point of> 0.7V.
All finished boards are good debuggingand power test.
Size:6.5x5cm/2.56x1.97inch
Note:
Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid
Due to the difference between different monitors the picture may not reflect the actual color of the item. Thank you!

Package Included:
1x Protection Circuit Board