im running 3 SA-8 V2's to a monoblock 5000 watt boss amp, turned amp down and clamped power output, running approx. 1500 watts to each wired down to 1 ohm, they handle it well, they are in a 3.2 cu/ft box ported at 34 htz. if you run a ported box make your port plenty big, these move A LOT of air