hi i need some sugestions on wat kind of amp do i need to get to get good rms to these 12" subs im going to get two of them and i dont know much about amps so i need help choosing a good amp but not to pricey to get good continious watts to each sub with out blowing any thing out please if any one has two 12" alpine type r's please tell me wat kind of amp you got and is it expensive i need help choosing the right amp for these subs