for spl 2 ohms is super super high.

most of the serious spl competitors are burping well below 0.5 ohm per amp.

 

at 2 ohms i dont think you'll get much over 1500 watts out of any amp and a 12 volt setup.

there are many to choose from though.

american bass 3000d
dd z1
dd z2
atomic 5000.1
american bass 200.1
american bass 400.1
american bass 500.1
american bass 700.1
earthquake d5
earthquake d10
incriminator audio 20.1
incriminator audio 40.1
orion 2500d
hifonics xx goliath
hifonics xx cyclops
hifonics xx collosus
exile 2400.1
memphis 2kw
memphis 4kw
jbl 1200.1
RE 35.1

many many others

 

jbl bp1200.1

they're older ones that look like lego blocks