STK4231 II 200W power amplifier with USB & FM

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This is another great power amplifier that designed by using STK4231 II. You can get superb audio quality and unmatched more power in this power amplifier and it delivers 200W Rms through a two 8Ω speaker.In here what i have don is i add USB mp3 player in this same amplifier.its working properly and my costumer also like this.

 here is some pic..

main power amp pcb

ADDZEST car stereo with USB

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Pioneer KEH-P2035 with USB mp3 player circuit

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hey this is really not new idea but hope it will help some one.

MOSFET 45Wx4 Multi-CD control Cassette/Receiver with Bass/Treble Booster

Features

• BTB (Bass/Treble Booster)
• 2-mode selectable loudness
• RCA preout: rear
• Radio intercept

as we know Pioneer KEH-P2035 car set is very popular car audio system. it has very good sound out and its four way. but now time has changed. most people they don't want to listen  audio tape coz they have USB pen reader and they got hundreds of mp3's to listen.

what about our Pioneer KEH-P2035 owner's, do they want to throw there set and install a new USB mp3 player. oh its expensive as well so i will give one idea.

look at this.