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