Phoenix Gold Phorum

So i put one 10" 4ohm sub in my girlfriends car, and i had these too old amps kicking around. I dont really wanna put any of my GOOD amps in there, but was wondering which of these put out more power.. i know the qx2180 is rated higher, but the sapphire sa1.0 looks like its build so much better. I hooked up the qx2180 and its ok, kinda dissapointing acutually. I still havnt tried the sappire. But its rated at alot less, so im wondering if its even worth it.

the sa3.0x is a good sub amp but not sure if the 1.0 would be powerful enough, just give it a go and see what it's like....