This could totally work in this kind of circuit for example: https://en.wikipedia.org/wiki/Operational_amplifier_applications#Inverting_amplifier https://en.wi

This could totally work in this kind of circuit for example: https://en.wikipedia.org/wiki/Operational_amplifier_applications#Inverting_amplifier https://en.wikipedia.org/wiki/Operational_amplifier_applicat... While I have seen a soundcard using two such inverting stages in series for headphone output, in laptops dedicated chips are more common which probably don't have such strong coupling. But better safe than sorry if the NSA is after you :)