2 CH SPEAKER PROTECTION BOARD

UPC1237 speaker protection board Japan Omron relay independent power supply suitable for most power amplifier boards

product description:
The speaker protection board has the functions of start-up delay (about 3 seconds) and DC protection (starting control voltage about 1V), the board circuit is simple, and the work is safe and reliable.

With LED indicator, it lights up when working, and goes out when the protection starts and controls. It adopts dual parallel Omron relays, which is suitable for most power amplifier boards.
Working voltage AC: 12-18V, independent power supply is required.
Power: 300W*2
Precautions:
1. Unsuitable BTL circuit
2. Speaker protection requires independent winding power supply, and cannot share power with other circuits.
3. The color or brand of the components will be different in different periods, but the grade is guaranteed to be the same.