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Something put into a system or expended in its operation to achieve output or a result

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DIY simple line out converter for "floating ground" car head unit?

a 25W max power (10V p2p @ 4ohms) balanced (push-pull) high level output factory car audio head unit from which I need to feed a mono amplifier (for subwoofer) that only has an unbalanced line level input … (0.15V-3V @ 10kohms), should I make my voltage divider to match the amps' input impedance or simply give it a 1kohms output impedance to make it a little more "universal"? …
Ghyslain's user avatar