But the empeg's outputs already are high-voltage. The in-car outputs are 4-volt instead of the more common 1-volt. Most car stereo equipment sold these days is still 1-volt, with the high-voltage 4-volt units only just starting to gain widespread acceptance.

I understand that there are even higher-voltage options out there, but they are extremely rare. The empeg's outputs have been engineered to work very well with the widest range of amplifiers, and provide very clean output. All of my amplifiers have their gain settings below the 50% mark and I get fantastic S/N ratio (after I located a loose wire recently that was causing a ground loop).

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Tony Fabris