[COD] Afm UPC1237 บอร์ดป้องกันลําโพง เมาท์โดยตรง เครื่องขยายเสียง Hifi DIY

WELCOME TO MY SHOP! Ready stock! About 5-14 days, arrive your address! 100% Satisfaction guarantee and Premium quality assurance Feature The board has power-on delay, power-off protection, DC detection, output balance detection, and DC protection. DC protection function, using UPC1237 speaker protection chip, with simple circuit, easy to manufacture, safe and reliable work. It is suitable for most power amplifier boards, and can be installed directly on the chassis with the speaker seat of the store to save space. Working voltage is AC 12V-24V, independent power supply is required Specification Size: 68mm*37mm. Power supply: AC 12V-24V Chip: speaker protection IC UPC1237 integrated block, Songle relay. Packaging Including： 1 x UPC1237 speaker protection board