100W Active Subwoofer Audio Subwoofer Amplifier Board Pure Bass Amplifier Tda7293 Amplifier

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Description Reviews

Attention! Attention! There are certain risks in assembling subwoofer by yourself, and you need to have certain basic electronic knowledge and practical ability, so as to avoid and analyze many problems encountered, and the damaged IC caused by human beings is not covered by the warranty, we help analyze and repair, only charge material fee and freight.

Read before purchase: in order to prevent unscrupulous buyers from returning or returning goods without any reason, it is hereby stated that buyers who return or exchange goods shall be responsible for paying all the round-trip freight (express delivery fee) and the Labor and packaging costs for handling the return and exchange in the factory. The total payment is: Round-trip Freight + Labor and packaging costs (20 yuan). Buyers who do not agree with this requirement please do not:!

Note to customers: when purchasing all products in our store, no matter whether the packaging is intact or not, please check the goods first and then sign the receipt, if there is any damage, please do not sign for it (reject it or write "The goods have been damaged" on the order). If you sign for it, it is in good condition by default! If there is any damage, repair or replacement of the device, the customer is responsible for all the expenses!

Technical contact of our factory: 13433289607

attention! If domestic buyers do not specify that 220V power supply is delivered randomly, it is defined as No 220V and 110V switch (because many domestic buyers do not know how to randomly dial 110V, it is easy to burn the machine);

ben subwoofer Amplifier the board is a real pure bass amplifier with only strong bass output,

please pay attention to the customers who purchase! Don't buy it as the so-called (2.1) multimedia amplifier!

If you need to connect to alto or left and right channels, please do not order this one, please order this 2.1 one https://item.taobao.com/item.htm? id=521255447101;

in addition, the power size of the amplifier has nothing to do with the size of the speaker. It is only related to the power. As long as it is right, the power is used.

Double-sided circuit board production!

Compatible with international voltage, can be used in 110V or 220V AC voltage conversion, convenient for domestic or foreign use

need to be compatible with international voltage, can be used in 110V or 220V AC voltage conversion plus 20 yuan

this amplifier uses 180W high power transformer!

Imported TDA7293 parallel output, strong bass power!

Imported with original power socket

the front-level low-pass Circuit adopts original imported JRC4558 operational amplifier!

The following pictures are taken in kind:

outer size: 200mm * 145mm * 79mm

hole size: 177mm * 125mm * 79mm

with automatic standby function

low-level input interface (convenient for customers to connect power amplifier to bass line output interface)

high level input and output interface (convenient for customers who do not have subwoofer line output)

if you want to adjust the low frequency, you must first have a good bass speaker. Then, the design of the box is very important. Then, this bass amplifier is used very well, can be high or low input, if you want to adjust the frequency of bass, please use your power amplifier line output or the high level of the left and right channels of the power amplifier to input the high level input or low level input of my power amplifier board respectively, in this way, you can adjust the frequency, super cool!

Thickened and complete aluminum alloy rear plate heat dissipation

super high power ring copper transformer

large-capacity electrolytic filtering is adopted, and the bass is stronger!