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Author Topic: The Best Op-amp Circuit for a 2.0 Speaker System w/ Stereo Output & 3.5mm Input?  (Read 1283 times)
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What is the best "Op-amp Circuit" that....
  • Has stereo output & uses 8ohm speakers?
  • Has a 3.5mm audio jack input?
  • Can receive it's audio signal from...
    -A- a MP3 player's 3.5mm earphone jack
    -B- a laptops 3.5mm speaker jack
    -C- a PC microphone (external mic)
  • has adjustable volume?
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http://www.national.com/ds/LM/LM4832.pdf
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What is the best "Op-amp Circuit" that....
  • Has stereo output & uses 8ohm speakers?
  • Has a 3.5mm audio jack input?
  • Can receive it's audio signal from...
    -A- a MP3 player's 3.5mm earphone jack
    -B- a laptops 3.5mm speaker jack
    -C- a PC microphone (external mic)
  • has adjustable volume?

Things like the supply voltage avaiable, and the method of volume control (digitally controlled? or analogue with a pot?) and the wattage of the speakers will help us to decide on your dream chip....
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i was planing on using this:
KA324 Datasheet

yes 10k pot

8ohm 0.5W speekers
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