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Details about  DIY Kits--TDA7388 41WX 4 channels car amplifier/home theater DIY board kits

DIY Kits--TDA7388 41WX 4 channels car amplifier/home theater DIY board kits

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Item Information

Item condition:
Brand New
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Original priceAU $19.99 What does this price mean?
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AU $6.00 Economy delivery from outside AU | See details
Item location:
Sports electronics Wholesacle, Hong Kong
Posts to:
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International shipping and import charges paid to Pitney Bowes Inc. Learn More- opens in a new window or tab
14 day exchange, buyer pays return postage See details
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Last updated on  12 May, 2014 03:16:47 AEST  View all revisions

Item specifics

Brand New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... Read moreabout the condition
Brand: HM
Type: DIY Kit power amplifiers Model: TDA7388 4 Channel amplifier
Channel: 4

DIY Kits--TDA7388 41WX 4 channels car amplifier/home theater DIY board kits

--pre-amp sound effects adjustable

Note: This item is components for DIY ONLY,You need to weld & install it by yourself!

Finished board is also available,additional AU $6 dollars for a finished board!

Tips: DIY kit installation requires some basic electronic production and practical ability, there is the risk of damage during the process of installing,

once the parts are installed we are not responsible for the components.
Thank you for your understanding!

Product Description

  This DIY kit adopts Original ST TDA7388 audio amplifier IC,Hi-fi 4 channels output. For TDA7388 adopts MOSFET amplification, the amplifier board has low distortion,low output noise,strong anti-interference ability,etc.BTL 4 channel output, the maximum output can be up to 4 X 41W.

  The circuit uses a single chip microcomputer ( CPU ) to control the sound effect,together with PTC PT7313 which is widely used in car audio,LCD TVs& other products in the integrated circuit, to deal with the volume & sound effect processing.The overall sound is clear but strong bass, deep & clear  treble,quite excellent sound quality.

  It is controlled by a touch key encoder to choose & adjust the input & volume:Treble / bass and total volume, with two external audio signal input,controlled by a touch key encoder via CPU:AUX_1/AUX_2 input option(For example:AUX_1 connected to DVD sound signals,AUX_2 connected to PC or MP3 sound signal, switch between AUX_1 andAUX_2 easily by pressing the touch key no need to plug in/out the connection cable.)

2 channel input,easy operation,With memory function, memorize before powering down the total volume.

Particularly suitable for car audio upgrade or DIY for 4 channel Home theater amplifier,a ideal choice for DIY fans.




  • Single power supply:DC12V-16V ,AC 9V-12V

  (the minimum power supply current 3A,>3A the sound effect is even better.If the current is too small,it will affect the sound effect, even serious may cause the abnormal problem to the circuit.)

  • Suitable for power supply circuit upgrade for automobile,motorcycle,electric vehicles & multimedia audio,so as to promote your audio sound quality.
  • PCB Size:120mm X 65mm
  • Key description:

     INPUT KEY:(Input selection)After electrifying, the system default as AUX_1 signal input stasus,press INPUT key, the system will be switched to AUX_2 signal input.

    MODEL KEY: (Treble / bass and total volume) the Tremeble/Bass /Total volume are controlled by a touch key decoder.The decoder is defaulted as Total volume,press the touch key once,then you can adjust the treble by rotating Left/Right,press the touch again,then you can adjust the bass, then press the touch key again,adjust the total volume by rotating Left/Right. Cycling selecting:Trebe->Bass->Total Volume 

the decoder can be rotated 360º:Clockwise rotation, the volume turns up; Counterclockwise rotation,the volume turns down.

After electrifying, the system default as total volume control status.(For example:select trebe control status,3 seconds later after stopped adjusting the system automatically changed into Total volume control status.)

While adjusting the sound effect, the LED indicator beside the decoder is flashing.





For this input socket, there is no distinguish for Negative/Positive pole for DC input, because the input voltage has passed through Rectifier bridge.


Package included:

  • 1 x DIY Kits--TDA7388 41WX 4 channels car amplifier/home theater DIY board kits(include the PCB and the components in the finished board.)



  • We accept paypal payment ONLY!
  • Please pay the money within 5 days after the auction ended.
    Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility.
     Unpaid dispute & the negative feedback will be filed to eBay for the non payable bidders.
    Import duties, and taxes charges are not included in the item price or shipping charges. These charges are the buyer's responsibility.
  • Please check with your country's customs office to determine what these additional costs will be prior to your bidding/buying.


  • The item will be shipped in 3 working days default as Air Mail. It usually takes 8-20 working days to most countries, or you contact us for adding postage fees by using a faster courier(EMS,UPS,DHL,or other coutier you designed.
  • We always send it as a "gift" and describe cheap value on shipping label. Delivery is scheduled within 48 hours after payment cleared.


Return Policy

  • If you have a defective item,you want to return or discount,Please contact us with in 5 days after you receive it, and we'll take action in 24 hours.Please contact us first before leaving the negative feedback.
  • If the item is dead on arrival,we'll refund the cost of the item or try to replace it.

Contact us

  • Please contact us if the item has not arrived within 30 days for any reason.We reserve the right to refuse the order from all non-registered bidders which is reported by Ebay.Please overview our terms before you place an order.
  • Your 5-star positive feedback will be highly appreciated.
  • Please do to contact us before leaving a negative feedback.We would try our best to help you with the problem. Please allow us to reply in 1~2 working days.
  • If there are any issues with the purchasing,please contact us by Ebay message,We'll reply as soon as possible.     

Thank you for your bidding!

Enjoy a happy shopping here & Welcome next time!

Check out my other items!

Questions and answers about this item

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Seller assumes all responsibility for this listing.

Postage and handling

Item location: Sports electronics Wholesacle, Hong Kong
Posting to: Worldwide
Excludes: Algeria, Angola, Benin, Botswana, Burkina Faso, Burundi, Cameroon, Cape Verde Islands, Central African Republic, Chad, Comoros, Congo, Democratic Republic of the, Congo, Republic of the, Côte d'Ivoire (Ivory Coast), Djibouti, Equatorial Guinea, Eritrea, Ethiopia, Gabon Republic, Gambia, Ghana, Guinea, Guinea-Bissau, Kenya, Lesotho, Liberia, Libya, Madagascar, Malawi, Mali, Mauritania, Mayotte, Morocco, Mozambique, Namibia, Niger, Nigeria, Reunion, Rwanda, Saint Helena, Senegal, Seychelles, Sierra Leone, Somalia, Swaziland, Tanzania, Togo, Tunisia, Uganda, Western Sahara, Zambia, Zimbabwe, Bolivia, Falkland Islands (Islas Malvinas), French Guiana, Guyana, Paraguay, Suriname, Venezuela, Brunei Darussalam, Cambodia, Hong Kong, Laos, Macau, Taiwan, Afghanistan, Armenia, Azerbaijan Republic, Bangladesh, Bhutan, China, Georgia, Kyrgyzstan, Maldives, Mongolia, Nepal, Tajikistan, Turkmenistan, Uzbekistan, Bahrain, Iraq, Jordan, Kuwait, Lebanon, Oman, Qatar, United Arab Emirates, American Samoa, Cook Islands, French Polynesia, Guam, Kiribati, Marshall Islands, Micronesia, Nauru, New Caledonia, Niue, Palau, Papua New Guinea, Solomon Islands, Tonga, Tuvalu, Vanuatu, Wallis and Futuna, Western Samoa, PO Box
Domestic handling time
Will usually post within 1 business day of receiving cleared payment - opens in a new window or tab.

Return policy

Item must be returned within
Refund will be given as
14 days after the buyer receives it
The buyer is responsible for return postage costs.
Return policy details
1 to 1 exchange.Please contact us first if you have any problem,we'll do our best to make help.

Refunds by law: In Australia, consumers have a legal right to obtain a refund from a business for goods purchased if the goods are faulty, not fit for purpose or don't match description. More information at returns - opens in a new window or tab.

Payment details

Payment method Preferred/Accepted  
Credit or debit card through PayPal

Immediate payment required for this item

Immediate payment of AU $18.99 is required.

Seller's payment instructions

Only items with quality issues are accepted for customer return.

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