... 55°C. Complete protection system includes power on, overheat, short circuit and overload.Features* Class-D power amplifier for voice evacuation system* 120W ... channels* 19, , rack mount design of 2U height* Switch power technology for less power consumption but higher efficient* Separate PFC design, separate ... Current0.7A, 1.4A, 2A, 3A, 1.4A, 2.8A, 4A, 6A, 2.8A, 5.6A, 8A, 12A DC PowerVoltage24V DC, ± ...