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The amplifier section has a peak power rating of 60 watts, and the two-way loudspeaker system can produce peak output levels of 114 dB at a reference distance of 1 meter. When fully charged, the system will operate for 10 to 14 hours, depending on the duty cycle. The system can be charged from the ac power line while it is in full operational mode. It can be left in the charge mode indefinitely with no adverse effects. The wireless input can be either by way of a handheld microphone (choice of D