Yaris Sedan Deadening and Sound system upgrade

[Palmer812]

That amp needs to be at 2ohm for 600 watts so the ideal solution would be a sub with either a single 2 ohm voice coil or dual 4 ohm voice coils. Either way would give you 2 ohms. You could also run it at 4 ohm but you will only get 1/2 the power you get at 2 ohms. If you wanted to use your Kicker subs you can hook 2 of them up and get 300 watts (150 each) or hook all 3 up and get roughly 500 watts (166 watts each roughly).