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Master
Lv 5
Master asked in Cars & TransportationCar Audio · 9 years ago

whats the difference between 2 volt and 4 volt line out on car stereos?

Update:

nice TY

1 Answer

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  • John Alden
    Lv 7
    9 years ago
    Favorite Answer

    A 4 volt output allows you to use an amplifier with lower gain to get the same sound level from your speakers with less "noise" such as alternator, hiss etc..

    http://www.bcae1.com/preoutv.htm

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