ITEM NAME:12-24V UPC1237 Speaker Protection Board Loudspeaker Protection Board Kit Pa S9E1 12-24V UPC1237 Speaker Protection Board Loudspeaker Protection Board Kit Pa S9E1 Note: 1.The DC protection can't work with the Digital Power Amplifier board or BTL Circuits 2.The horn protection board has the functions of power-on delay (about 3 seconds) and DC protection (control voltage is about 1V). The board circuit is simple and safe and reliable. 3.With LED light indication, it lights up when working, and it is extinguished when protection starts. It adopts double parallel OMRON relay, which is suitable for most power amplifier boards. 4.This protection board is
