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great deal on subs and very loud for the price,, but i totaly agree about the amp.....spend a little extra its what makes the subs loud and clear and this amp won't do that too well, look around on ebay and try to find an amp with ratings Between 500 and 800 RMS Wattage(not max wattage, there is a huge difference) max wattage means nothing with car audio add the total RMS wattage of your subs and look for an amp that is about the same RMS. (RMS means continuous watts and is what your amp is actually giving to your subs when the amp is all the way up, and RMS on a sub is what it can actually handle, max ratings are just to make you think a product can handle more than it actually can.