Gain Setting Help!

[unknownmotive 10+ year member]

I have a Profile HA1000 and A Pioneer Ts-307D2.....

So my amp puts out 480w RMS @ 4 ohms bridged.... If I want to put out 400w RMS@ 4 ohms do i set my gains so I get 40v [sqrt (400x4)]? I want to do this since my sub runs at 400w RMS @ 4 ohms.

Can anyone run me through on how to set the gains?

Are my calculations correct?

Is it necesasry to set my gains?

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[blackbonnie 5,000+ posts]

read that > http://www.caraudio.com/forum/showthread.php?t=63933