Хрустальный автомобильный динамик, усилитель сабвуфера, автомобильный динамик

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Crystal car speaker manual,subwoofer amplifier,car speaker


OEM&ODM  is available!


Product Description

 Product Description                 




A good speaker can't leave a good amplifier, pls feel free to

Click below pictures for our car amplifier :


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Packaging & Shipping

 Packing & Shipping                 


Packaging1)1piece per gift box
 2) 20pieces per carton box.
Shipping PortGuangzhou or other port is negotiable

Our Services

 Why choose us?                


1, We are professional manufacturer of car audio products for years and got rich experience.

2, High quality products, Competitive price, timely delivery, and first-class service

3, Steady product delivery

4, 100% QC inspection Before Shipment

5,  We have advanced production equipment

6,Our engineers and workers are have many years experience

7, Special service: If client buy products from our factory and he also purchase products out of car audio lines.We can offer integrated product sourcing & production management services.In that way,customer will save time and no need to set up a buying office to finish this work.Then they just grow their business by focusing on sales,ware-housing and distribution while we take car of their China buying.

Company Information

 Company Information                              


Sound&Power Technology Industry Limited,Alternative name Guangzhou Shengxin Electronics Co.,Ltd. was established in 2009. The registered capital is RMB100 million.Brand "SP Audio" and "SX Audio".


Our compay mainly produced for car amplifier (specially for class D amplifier) and car speakers.


 For car amplifier, we have our own AI and SMT & Wave workshop, 100% 4 hours aging test before final assembly.


For car speakers, we have our own automatic glue machine to keep our quality. We focus on ODM project, as our experienced engineers are able to do any magic design as you want. 


Our products are sold to many countries like Europe, Russian, Indonesia,South American,Tureky....


Warmly welcome your cooperation.




Work Place



 Our show room

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-- Purchase orders flow






Q1: What is the warranty for the amplifier? 
A1: For the amplifier, we have one-year warranty. If any quality problem on our side

occurred in this period, we will take on the shipping cost and replacement. 

Q2: How about the delivery time? 

A2: 2-5 days for stock 
5-20 days for new order depend on order quantity since receipt of 30% T/T deposit payment. 

Q3: What kind of payments does Soundwave support? 

A3:T/T,L/C, Western Union ,Cash are accpeted. 

Q4: What's the MOQ? 

A4: MOQ is 100pcs 

Q5:.Do you charge for the samples? 

A5: According to our company's rule,sample and freight cost need to be paid by your

esteemed company. And we will return the cost to you when you place the first order with us. Thanks. 

Q6: Can you produce according to customers' design? 

A6: Sure, we are professional manufacturer,OEM &ODM are welcome . 

Q7:Can you tell me your main customers?

A7: That's our customers privacy, we should protect their information. 
At the same time, please rest assured that your information is also safe here.


How to contact us?

1) Send your inquiry Details in the Below, Click " Send" Now
2) Click follow photo and send your inquiry details to us.



If you want know more about our factory or products , please feel free to contact us!

May Huang

Skype:May Huang@SX




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