Speaker board - protection board - amp diy kit

Hot sale and high quality Speaker protection board DIY Components kit for China Electronics wholesale now.

The speaker protection board has the power delay (3 seconds) and DC protection (from the control voltage is about 1V) function, a simple circuit board, making easy, safe and reliable. With LED status display, when the protection light, the normal work time off. using 15A high current relay, suitable for the vast majority of amplifier board. Operating voltage AC 12-15V, requires a separate power supply. After installation size: length 65mm x width 40mmx high 25mm

BTL  circuit need two sets.

components：

Supporting double-sided circuit boards  x 1
4148 x 1
Nippon Chemi-con Capacitor x 4
Transistor x 6
Supporting metal film resistors x 5
Bridge Rectifier / three-terminal regulator x 1 each
LED (light emitting diode) x 1
Terminal Block x 5
15A Relay x 2
Kit assembly instructions x 1

Note
DIY kit only，you need to weld the components and board by yourself(instruction will be attached).

Package include：

1 x Speaker protection board DIY kit

 

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