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Mini PAM8403 Digital Power Amplifier Board 2x3W Class D Audio Module USB DC 5V

PAM8403-GREEN-3W

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₹ 25.00 tax excl.

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Features:

  • Can use the computer USB port 5V power supply or using a mobile phone charger USB port 5V power supply
  • Battery power can also be used
  • High efficiency: 90%
  • Can provide 3W (left channel) + 3W (right channel) output power in the 4Ω load and 5V power supply conditions
  • A class, B class amplifier such efficiency is only about 30%
  • D class amplifier is highly respected today
  • D class amplifier efficiency is extremely high, not because of temperature affect the sound quality
  • But do not add heat sink and take less space noise cancelling circuit was built in the amplifier board
  • Power on / off without pop noise
  • Module has a short-circuit current protection and over-temperature protection


Specifications:

  • Operating Voltage: 2.5V ~ 5.5V
  • Speaker With: 4Ohm ~ 8Ohm (recommended: 4Ohm)
  • Speaker Power: 2W ~ 8W
  • Size: 21 x 18 x 3.4mm (L x W x H)
  • Net Weight: 1g


Applications:

  • LCD TVs, monitors
  • Laptop
  • Portable Speakers
  • Portable DVD players, game consoles
  • Phone / speakerphone


Note:

  • First turn OFF and then powered speakers, or likely to cause damage to the chip;
  • Because digital volume control module has a great gain, so do not let too much leaving the audio signal input signal cut limiter.

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