Power Sound Card

Hey Guys, I was wondering if there was some sort of special sound card or cheaper alternative for a amplifier to power two 12" speakers rated at 300 watts.
Or if there isnt could you possibly recommend a good powerful possibly good priced 5.1 channel reciever or amplifier, because the one I have now is 75 wattts front 45 watt rears & center and 45 watt for the sub and I need more power if u could help me out here I would greatly appreciate it and you would seriously calm my nerves because I'm quite nervouse that the system I have now connected to my computers sound blaster 5.1 card with all the computers volume turned up just isnt going to power those 2 twelves enough does two 8" really nice but they dont hit low enough for my needs hehe (40 hz) the 12's go lower. If you have any suggestions at all I would REALLY appreciate it thnx again guys!

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Yea ok ill do that umm........... somebody told me that if i up'ed the wattage of my power supply that i would be able to increase my volume even more could this be true sounds kinda sketchy to me because i got a 230 power supply on a P3 500 Mhz and 2 hard drives and only a tnt ultra graphics cards and a sound blaster card in the slots so i dont think my systems hardware could be decreasing the sound cards output. What are your guys thoughts on this? Could a more powerful power supply amp up your computers volume?

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When you say my power supply is weak do you mean its weak in comparison to whats out there or that it is weak for what i am using? If so will a power supply upgrade to lets say 400 watts from my current 230 watts speed up my hard drives computer or possibly give me a little more volume?

<font color=green> Growing Seeds Is A Past Time Activity </font color=green>

Ok I'll get a better power supply hey thnx for all the responses man well thnx alot appreciate it ............out

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