high power amplifier, CA20,8 transistor, 3 level power supply

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Product Overview



We are a DJ and stage equipment manufacturer.

Manufacturer Of  Professional Audio Amplifiers, mixers, equalizer, limiter and crossover.

We support OEM and ODM.

If you have any special requirements please feel free to contact us.



  • In technique: Introducing SMD technology and the AI process automation to the plug-in unit, which greatly enhances the reliability of welding and the consistency of the product, which is not realized by the imitations.
  • In Sound Quality: Making good use of Cu pin resistance to optimize the high-power and heating devices, we can improve the product's thermo tolerant and durable performance efficiently. Meanwhile, it modifies the traditional switching distortion of Class H, making the sound come out more powerful and accurate.
  • CA targets at the high-end entertainment sound reinforcement and it has already been well known in this area. Its high performance is based on its sufficient and powerful output capacity at 8 ohms, 4 ohms, and 2 ohms.
  • CA, which has a large number of fans in China, will keep its glories. People who are fond of classical CA series will hold their long-term faith in WYW CA.   

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Stereo power8Ω1300W
Stereo power4Ω2000W
Bridge power8Ω2600W
Frequency Response20Hz-20KHz±0.5dB
Signal to Noise>300dB
Input Impedance0.775V/1V/1.4V
Output CircuitryClassH
CoolingTwo variable speed fans,rear-to-front air flow
Power Requirements110V,120V,220V,240V 50-60Hz
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Established in 1998, Enping Kehua Electronics Factory is a manufacturer and trader specialized in the research, development and production of professional power amplifier, mixers and so on. We are located in Enping City , Guangdong , China. With convenient transportation access. It is a famous spatown and microphone world origin.

All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world. We have provided OEM and ODM service for different customers. Our unremitting efforts,for your better service.


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1. Q: What’s your warranty period?

A: Our warranty period is 12 months. Customers have to ship back the defective products prepaid by express. After we received the defective goods, will finish the repairing within 7 days and return to you under our cost.


2. Q: What’s your payment term?

A: For the sample order, we can accept Western Union, Wire transfer or Escrow. But for the Batch order, we support Payment term by T/T ( 30% deposit in advance, balance 70% before shipment ).


3. Q: How can I order a sample?

A: .If you need some samples to test,we can make as per your request .You should pay for the transportation freight of samples and our samples cost,while the samples cost can be refundable after you place the order. Please kindly send the inquiry to me. Click the “Contact Supplier”. You will find the real me. 


4. Q: Can you supply free sample?

A: Normally, we only supply free samples to our regular clients. For new clients, we can return the sample fee after bulk order placed.


5. Q: How many days do you cost to prepare the sample?

A:We need 3~4 days for normal samples, 4~6 days or more will if the sample required OEM, and then will be sent via express and arrive in 15days.


6. Q: How about the sample price

A: The price of the sample is in accordance with the retail price.


7. Q: Can you do OEM/ODM for customers?  
A: Of course, for the product design and package, our engineer can be design as your request, Any kind of logo printing or design are available. 


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