I am thinking about getting a Rockford Fosgate P4004 to power 2 speakers and a single sub. The specs on the amp are:
50 watts RMS x 4 at 4 ohms 100 watts RMS x 4 at 2 ohms 200 watts RMS x 2 at 4 ohms 2-, 3-, or 4-channel output 4-ohm stable in bridged mode Tri-way capable How would I wire this to two Infinity Kappas rated at 100 RMS and a sub (don't have the sub yet). My main question is how would I wire the sub up to it...I suppose it would bridge two of the channels into one and then use the other two channels to power the Kappas? What impedance would I need the sub to be and how much power would that present to the sub in bridged mode?
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2004 BMW 325ci.
Alpine CDA-9885
JL 300/4 and 250/1
JL XR 5.25 comps
Infinity Kappa Perfect 12
nice amp; I actually just recently got one of these to power my kappa 52.5i's and 62.5's and am loving it.
Anyways, as for the sub, it will need to be a single voice coil 4-ohm model, or a DVC sub with 2-ohm voice coils wired in series. This is because this amp cannot run a bridged load of less than 4 ohms. As long as you're bridging two of the amp's channels, the sub will get 200 watts RMS.
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Ethan
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