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◆1: Our products are 100% tested before delivery.
◆2: The IC on the board is original or best quality.
◆3: If the buyer has soldered on the board (with traces of soldering), we will not return, exchange or repair the product.
Special speaker protection board for four-channel power amplifier board Finished product
1. The board is made of 1.6MM high-quality FR-4 board with HASL, the relay is Songle, and the resistors are five-ring gold film copper pin resistors. And it has a power indicator light, the relay is closed for about 3 seconds after starting up, the green light is on, and it has the function of working indication.
DC 12-24V 2. The voltage used by this protection board is a single power supply AC 12-18V. You can take a set of power from the power amplifier board power supply. If possible, use an independent winding or a separate power supply.
3. This protection board can be used together with our 1875 power amplifier board, or with LM3886, TDA7294, TDA7293.
4. All finished boards are debugged and tested with electricity.
5. PCB size: 100*50MM
6. Net weight: 100g (within 5g error).
7. Power amplifiers within 500W for each channel can be used, and the maximum passing current is 10A.
