Features

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.

Packages:

• 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).

If you need the power supply for this item and you may order from the following link:

Payment

•  We accept payment by Paypal.
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Shipping

• We ship by Airmail. We will select the fast and reliable way for delivery. Save on shipping and safer on delivery.
• We are not responsible for wrong or undeliverable address.
•     

  Tracking number:

  The price is USD2.00, it is optional but you are recommended to use it.

  Please contact us to buy if you need it.

  Delivery time 

          By airmail: 

• International Buyer please note

     1 We are not responsible for any custom duty or import tax.These charges are not included in the item  price and shipping cost.

     2 Please Check with your country's customs office to determine what these additional costs will be prior to bidding/ buying.

Return

If you are not satisfied when you receive your item, please return it within 7 days for a replacement or money back.       

Please contact me before you return it.          

Not accept returning of electronic components.          

Full refund after we receive our original item.