well if you are planing on running alot of power you may need a biger altenator. //content.invisioncic.com/y282845/emoticons/rolleyes.gif.c1fef805e9d1464d377451cd5bc18bfb.gif
Need more info...What vehicle? What is the need...how much bass is necessary? What is the budget...it's hard to say unless the budget is know...$1,000 to some is not much, while to other's it's more than the car it's going into...