Prevent distortion function, a line of pulse Settings Output power. 2.8W(4 Ω load),4.5W(2 Ω load) Working voltage range: 3 V to 5.5 V 0.2%THD (1 W output power, 5 v power supply, 4 Ω load) 85% Efficiency Over-current, Thermal and Low voltage Malfunct...

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