i would buy an amp that you know is capable of handling .5
why .5 though, its less efficient and more expensive to find amps that can handle it. if you can wire to 1 ohm i would, if you know you have box rise later on then you could probably wire some amp to .5 but i wouldnt lol
why .5 though, its less efficient and more expensive to find amps that can handle it. if you can wire to 1 ohm i would, if you know you have box rise later on then you could probably wire some amp to .5 but i wouldnt lol