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400W Mono audio power amplifier board PCB 1943+5200 for Audiophile DIY

  • 10-49 Pieces
  • 50-99 Pieces
  • 100-999 Pieces
  • >=1000 Pieces
- + Pieces available
0piecesselected, US $in total
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Shipping fee:
Depends on the order quantity.
Lead Time:
5 day(s) after payment received
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Quick Details
Place of Origin:
Guangdong, China
Brand Name:
Model Number:
Base Material:
Copper Thickness:
Board Thickness:
Min. Hole Size:
Min. Line Width:
Min. Line Spacing:
Surface Finishing:
Product name:
amplifier pcb board
Power supply:
DC +-20 to +- 50V

Packaging & Delivery

Selling Units:
Single item
Single package size: 
1X1X1 cm
Single gross weight:
0.020 kg
Package Type:
Safety package
Lead Time :
Quantity(Pieces) 1 - 100 >100
Est. Time(days) 5 To be negotiated
Product Description


Packing list : 1 piece 400W power amplifier  PCB (Does not contain any components)



PCB size 195*60mm 

Power supply: DC +-20 to +- 50V (recommended:DC  -30V- 0 -+30V)

Audio diy is risky, PCBs are only recommended for audio enthusiasts with diy capabilities.

If you have any technical problems, please do not hesitate to contact us.


104 is the capacitor 104 * 6 is here there are six 104 = 0.1uF capacitor, 221 is 220pF capacitor, 220 and 330 is the resistance unit is ohm 104 * 6 means that these six places are welded 0.1uF capacitor,        capacitor voltage are Is 50V        
0.22 is 0.22R cement resistor
10 and 68R are 1W watt resistors 0.22R is 2W watts or 5W. 1uF-10uF polyester capacitors and electrolytic capacitors can be soldered. We use 4.7uF. Electrolytic capacitors should pay attention to polarity. 4.7K is large, and 2W or 5W can be used.
Packaging & Shipping


All products will be checked carefully and packed in good condition with high quality carton before shipping.

 We e-mail all customers with tracking.  information immediately after the shipment for status tracking.

 Buyer Notice:Customs fees and import duties for exports are buyer's responsibility.



Company Information

We're China-based global electronic manufacturer  that has a worldwide business in design,  produce and sell various electronics for customers since 2013.


We have a wide range of  different electornics,like phone accessories, customer electronic, electronics Components, Module Board,RC toys, LED lights, ,Home Decoration ,Popular gifts

and more.


Our team is committed to providing customers with low-price and high-quality products as well as professional customer service.


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