YWBL-WH Speaker Protection Board Module DIY Kit AC 12V-24V Dual Relay Voltage Regulator

YWBL-WH Speaker Protection Board Module DIY Kit AC 12V-24V Dual Relay Voltage Regulator

Product Features

• Main function: the UPC1237 circuit as a core has a switch-on delay function, DC protection and a protection function against power failure damage.
• 500 W amplifier: this speaker protection board can be used to control 500 W amplifiers, with each channel using a high-quality relay control. Practically placed terminal strip plugs for signal input and signal output.
• Sign out immediately: DC monitoring and real-time protection for speakers support instant log off of the speakers when switched off.
• Compact size: the speaker protection board has a compact size, a board size of only 6.9 x 5.7 cm, and the circuit is reliable and easy to weld.
• 12V to 24V AC --- This speaker protection board uses 7812 as a voltage regulator and has a wide supply voltage in the range of 12V to 24V AC.