okay, basically you have two options. with both subs being 4 ohms, you can either go to 8 ohms (you dont want) or 2 ohms together. now there is a third option and thats basically running each sub to each channel (ie: one sub to one channel and the other sub to the other channel). doing it this way will allow 150 rms to each sub. the only problem with this is that it is a stereo signal so its possible to get voices, vocals coming out of the subs. but with proper tweeking you can have just bass. moving on, now you can "bridge" the amp, basically combinding both channels together (it should say bridged on the amp). doing this will allow you to get 460 watts rms from the amp in a mono signal which is what you want for bass. the only problem is that its at a 4 ohm load meaning you can only run 1 sub because like i said before, the subs can only be wired up at 8 ohms or 2 ohms if together. you can technically run the subs at 2 ohms (combinding the subs coils in parallel) and get 460 rms or more out of the whole system, but the problem is that the amp is not stable at 460 watts rms at 2 ohms if bridged. it only says 460 rms at 4 ohms, you follow? so if you do try to run the subs in parrallel while the amp is bridged you can chance blowing you amp (as long as you dont turn it up too much). my advice (sorry if its taking too long) is to just run each sub to each channel. the benefit of this is that you wont blow the subs if you turn up the amp all the way, plus its an easier install. you will get a total of 300 watts rms for the whole system (150 rms per sub). and if you dont want to have voices and other sound coming from the subs becasue its in a stero signal, use the low pass filter to only allow just bass to pass through. if you have some more questions, just post it or pm me. hope that helps