... series classD power amplifiers are designed of switch power technology for power electricity saving, separate PFC design for highest reliability, separate power supply ... Sleep mode automatically enabled when no signal is detected for saving power electricity* AC 110V or 230V and DC 24V power supply* Balanced ... 2A, 3A, 1.4A, 2.8A, 4A, 6A, 2.8A, 5.6A, 8A, 12A DC PowerVoltage24V DC, ±20%Max Current 6.5A ...