The speaker protection board has a power-on delay and DC protection,instant shutdown feature,all-round protection of your expensive speaker!
Mute delay boot,shutdown speed off.
Amplifier midpoint potential protection,the midpoint of DC from the control point of more than 0.7V.
All finished boards are good debugging,and power test.
Note: 2 sets of BTL circuit strings are required. The speaker protection needs winding power supply, and cannot share power with other circuits.

Colour: Green
Material: ABS
Size: 68x50mm
Package Contents:
3 x Protection Circuit Board