Hi, I have a SoundQubed HDC3.15 Dual 1 ohm. Which is capable of handling up to 2k rms. Anyways, I first had it broken in by a pioneer gmd8601 at 1 ohms giving it 800 rms. I then moved up to a hifonics bre1600 and wired it down to 2 ohms to be safe (at 1 ohm I was clipping, could smell sub coil...