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3W Audio Amplifier

  • Model: 3W Audio Amp
  • Units in Stock: 38
  • Manufactured by: Graylogix

Rs150  Rs75
Save: 50% off

  • 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) +3 W (right channel) output power in the 4? 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 canceling circuit was built in the amplifier board
  • power on / off without pop noise
  • module has a short-circuit current protection and over-temperature protection
  • LCD TVs, monitors
  • Laptop
  • Portable Speakers
  • Portable DVD players, game consoles
  • Phone / speakerphone
  • Operating voltage: 2.5V-5.5V
  • Speaker With:4-8ohms recommended:4 ohms
  • Speaker Power :2-8W
  • Size:21 x 18 x 3.4mm(L x W x H)
  • Color: As the pics show
  • Net weight:1g
Package Contents:
1 x Amplifier Board Note:
Left and right channel output of the "negative" can not be together, otherwise it will burn IC, and speaker(load) should be connected before power on.

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This product was added to our catalog on Tuesday 04 October, 2016.