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PAM8403 5V Power Audio Amplifier Board
1.Operating Voltage: 2.5V-5.5V. Note : Do not exceed the supply voltage 5.5V, do not reverse the positive and negative power supply. 2. Speaker: 4-8Ω. Speaker Power :2-8W. 3. Can be powered by 5V USB, or cell phone charger USB port 5V, Lithium battery power also. 4. High efficiency of 90%, 4Ω load and 5V power […]
