Speakers 2.0 Speaker Protective Board AC 12V-18V Relay Protection Board

1: widely used

2: easy to use, there is a detail page with wiring diagram identification

3: small appearance

4: With LED light indication, light up when working

5: board circuit is simple, safe and reliable work

Horn protection plate with boot delay (3 seconds or so) and DC protection (starting voltage 1V or so) function, the board circuit is simple, safe and reliable work.

With LED light indication, light up when working and off when protecting the control, suitable for most of the power amplifier board.

Working voltage ac: AC12-16V, need independent power supply.

Note: TWO sets of BTL circuits are required

Horn protection needs independent winding power supply, can not share power supply with other circuits.