higher voltage pre-outs are better in complex systems...in a simple h.u. 1 amp setup, you might not notice the difference, but with multiple lines running, they do offer better signal transfer, and they are much easier for your amp to deal with...To try to paint a picture of this, imagine a slope from low to high...with, say a 1.8V output, your slope is very steep, the amp not having much room between zero power and full power...with a 4 or 5V. output, the slope is much more gentle...Keeps your amps cooler and with you longer....
HTH
Ride: 2000 T-red SE
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