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PAM8403 Super Mini 5V 3W*2 Digital Amplifier Board USB Powered Volume Control

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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 supply conditions, can provide 3W ( left channel ) +3 W ( right channel ) output power. The efficiency of power amplifier Class A and Class B is only at 30%, Class D amplifier is respected in today's green trend.


5. Class D amplifier efficiency is very good, the sound quality  will be not affected by temperature,  and it works still very well even if without additional heat sink.


6. Built-in noise canceling circuit, short circuit current protection and over-temperature protection.


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产品详情

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 supply conditions, can provide 3W ( left channel ) +3 W ( right channel ) output power. The efficiency of power amplifier Class A and Class B is only at 30%, Class D amplifier is respected in today's green trend.


5. Class D amplifier efficiency is very good, the sound quality  will be not affected by temperature,  and it works still very well even if without additional heat sink.


6. Built-in noise canceling circuit, short circuit current protection and over-temperature protection.


PAM8403 Super Mini 5V 3W*2 Digital Amplif...

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Shenzhen HiLetgo Technology Co., Ltd

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