DESC: High performance car audio at an affordable price. Fully equipped with ORION attitude these COBALT amplifers kick ass; from the 100.2, class T monoblock to the acclaimed 500.5 five channel amplifier. The new Xtreme Bass Control, XBC12, gives you up to a powerful 12 dB of gain at 40Hz. Why waste you money on the other guys, step up to the plate and demand COBALT.