| Title： |
AC12V Dual-Channel Speaker Protection Board Finished Board With Black Relay |
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| Specification: | 1. Two sets of 10A high current silver contact relays are used on the board. 2. AC 12V power supply, with a regulated AC maximum voltage of 18V.<br 3. When the protection board input DC voltage> +-0.6V, IN OUT will be cut off. 4. With LED display on the board, the LED flashes in the case of power-on delay or DC protection.Normal work, the LED is always on. 5.Size: 95x36x20mm |
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| About the test of the protection board: | Use a digital universal meter and pull it to the 2-pole position. The red pen is connected to IN, the black pen is connected to GND, the relay is disconnected, and the LED flashes. Then connect the black pen to IN, the red pen to GND, the relay is disconnected, and the LED flashes, then the protection is normal. |
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| Note: | The power supply of the protection board cannot share the same voltage with the previous stage.Will short-circuit damage. | ||
| Package: | 1*Dual-channel speaker protection board | ||
