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{"id":8534679453849,"title":"YWBL-WH Speaker Protection Board Module DIY Kit AC 12V-24V Dual Relay Voltage Regulator","handle":"ywbl-wh-speaker-protection-board-module-diy-kit-ac-12v-24v-dual-relay-voltage-regulator","description":"\u003ch3\u003eYWBL-WH Speaker Protection Board Module DIY Kit AC 12V-24V Dual Relay Voltage Regulator\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eMain function: the UPC1237 circuit as a core has a switch-on delay function, DC protection and a protection function against power failure damage.\u003c\/li\u003e\n \u003cli\u003e500 W amplifier: this speaker protection board can be used to control 500 W amplifiers, with each channel using a high-quality relay control. 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Practically placed terminal strip plugs for signal input and signal output.\u003c\/li\u003e\n \u003cli\u003eSign out immediately: DC monitoring and real-time protection for speakers support instant log off of the speakers when switched off.\u003c\/li\u003e\n \u003cli\u003eCompact 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.\u003c\/li\u003e\n \u003cli\u003e12V 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.\u003c\/li\u003e\n \u003c\/ul\u003e"}

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

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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.