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!
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.
(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
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.
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