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Product description:
Speaker protection board with power-on delay (about 3 seconds ) and DC protection (starting control voltage about 1V ) function
With LED lights instructions, the light keeps on during the protection, the light is off when normal work . Omron relay, suitable for most of the power amplifier board.
Working voltage AC: 12-18V, need independent power supply.
Speaker protection requires independent winding power supply, and other circuits can not share power.
Note: BTL circuit need to use two sets.
Package included:
1Pcs
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