UPC1237 30A Audio Amplifier Speaker Protection Board with Power Integrated AC 85V-265V

Price: $16.99 - $14.44
(as of Apr 20, 2025 03:35:13 UTC – Details)

The board circuit is simple, the wiring is easy and the work is safe and reliable. With LED work indicator, it is extinguished when protection, and lights up when normal work. 30A high current relay, suitable for high-power amplifier.
The board has a power on delay (about 3 seconds) and DC protection (starting control voltage around 1V) function.
2.0 Channel high-power speaker protection board, double-sided PCB tinned 1.6mm, UPC1237 speaker protection chip, PB12N step-down module, audio wiring with 7.02 terminals. Full sealed large current relay, it can control power 900W, overcurrent 30Ax2.
Power Supply: AC 85V-265V 50-60Hz
Notice: The speaker protection board requires a separate winding power supply, It can not share power supply with power amplifier circuit!