3pcs Audio Speaker Protection Board Amplifier Components DC Protect Kit DIY

3pcs Audio Speaker Protection Board Amplifier Components DC Protect Kit DIY
3pcs Audio Speaker Protection Board Amplifier Components DC Protect Kit DIY 3pcs Audio Speaker Protection Board Amplifier Components DC Protect Kit DIY 3pcs Audio Speaker Protection Board Amplifier Components DC Protect Kit DIY



Specification:
 
Input voltage: AC12-15 V
Size(L*W*H): 6x 4 x 2.5 cm (Finished)
 
Feature:
 
With power on delay (about 3 seconds) and DC protection (control voltage around 1 V)
With LED status display, when the protection light, the normal work time off
Using 15 A large current relay
Working voltage aAC 12 to 15 V, need independent power supply.
 
Package includes:
 
3 x Double-sided circuit boards 
3 x 4148 
12 x Capacitor 
18 x Transistor 
15 x Metal film resistors 
3 x Bridge Rectifier / three-terminal regulator /each
3 x LED (light emitting diode) 
15 x erminal Block 
6 x 15A Relay 
3 x Kit assembly instructions 
























3pcs Audio Speaker Protection Board Amplifier Components DC Protect Kit DIY See detail