The 4V Preout will also allow your amp to run a little cooler. Not much diffrence unless you have a huge class A type a deal but every little degree helps. Specially if your mounting your amp in a small place or have lots of them with lots of preout's to match.
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Madic
'00 Black SVT
1545 of 2150, Jan 13 00
madic99@hotmail.com