I would say around 2000€(20,000swedish krona) Its going to be placed in a Volvo 740. And if i buyd the 2 12"s im going to buy a 2channel 1500rms amp, and if i buy the 15" im going to buy a 5000rms amp. I want bass that kinda shocks you when played high. I'm willing to sacrifice my whole trunk if...