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Specification
Model | KA4004 |
Stereo power 8Ω | 400W*2 |
Stereo power 4Ω | 640W*2 |
Stereo power 2Ω | 820W*2 |
BTL 8Ω | 1100W |
BTL 4Ω | 1600W |
Frequency Response | 20Hz-20KHz±0.5dB |
THD+N | <0.05%@8Ω 1KHz |
S/N Ratio | >103dB |
Slew Ratio | 44V/µS |
Damping Factor | >300 |
Crosstalk | >70dB@8Ω 1KHz |
Input Impedance | 20K Ω(Balance)/10K Ω(Unbalance) |
Input Sensitivity | 0.775V/1.0V/1.4V |
Protect | Overheat short circuits, DC, limit and-softstart,Output relay-Zero Current Switch, Intellctual Clip limiter. |
G weight | 26KG |
Dimensions (W*H*D) mm | 575*575*88(2U) |
Feature
The KA series of products have 2U height and AB line structure. Power range is 200w-400w(8ohm 4 channel) . KA series pursuit of faster response, higher damping, more features, more advanced protection system, sophisticated components. KA series amp can withstand stereo 2ohm bridge 4ohm load, suitable for KTV and conference speaker system. The KA series can be used flexibly, suitable for 2 channels, 3 channels , 4 channels and different needs.
More products

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.
2015 Prolight + Sound Guangzhou
Packaging&Delivery

Delivery time: The production immediately after 30% deposit and delivery time according to you order quantity. Our delivery usually is 20~40 days after receving order.
Packaging: A plastic bag and foam protection and then on the carton or as your requirement.
Shippment: 1.we can ship the goods via famous international express company for smaples and small amount with best servise and fast delivery.
2.For large amuout and big order, we can arrange to ship the goods by sea or by air with competitive ship cost and reasonable delivery.
1. Q: When your company established?
A: We started firstly as a trade company on 1998. Now we have many years experience in manufacturing electronic products. We are professional amplifier manufacturer.
2. Q: Where is your main market ?
A: Our main customers are from North America and Europe and other countries,etc.
About Warranty
3.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.
About Payment
4. 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 ).
About Sample
5. 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.
6. 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.
7. 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.
8. Q: How about the sample price?
A: The price of the sample is in accordance with the retail price.
9. 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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