ITEM NAME:12-24V Dual Relay 7812+UPC1237 Speaker Protection Board Module DIY Kit for HF2B3 12-24V Dual Relay 7812+UPC1237 Speaker Protection Board Module DIY Kit for HF2B3 UPC1237 best performance as core devices, with power-on delay and DC protection, power anti-shock function Use OMRIN original high-current relay as the core of the device is not afraid of contact ignition and oxidation Using 7812 as a regulator, wide supply range, up to any range AC12V to AC24V Circuit is simple and reliable. Produced very easily, no need debugging Silver contacts. Precision CNC double-sided circuit board tin small size, easy installed Start delay 1S closed, no need to use 3S delay. DC monitoring and protection, real-time protection speaker. Disconnect the speaker off instantly. This version can be controlled 500W amplifier, each channel using a relay control. color:as the picture shows Material: PCB PCB size: 6.9cm × 57mm Package Contents:1x Dual Relay 7812+UPC1237 Speaker Protection Board Kit Note:All the elements, you need to weld by yourself Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..UPC1237 best performance as core devices, with power-on delay and DC protection, power anti-shock function. Start delay 1S closed, no need to use 3S delay. Disconnect the speaker off instantly. Precision CNC double-sided circuit board tin small size, easy installed.
