Dan D'Agostino Progression Mono AmplifierThe Progression mono amplifier is the largest and most powerful Dan D’Agostino Master Audio Systems has made to date, delivering 500 watts into 8 ohms, doubling to 1,000 watts into 4 ohms and doubling again to 2,000 watts into 2 ohms. It employs a fully complementary driver stage, beefed up with 48 output transistors, a 3,000 VA power supply transformer and 400,000 microfarads of power supply storage capacitance.