PAM8403 Audio Modul USB DC 5V Class D Digital Verstärker Amplifier Board LCD

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Beschreibung:
Features:
high efficiency:90%
can provide 3W (left channel) +3 W (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 canceling circuit was built in the amplifier board
power on / off without pop noise

Application:
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

Package Contents:
1 x Amplifier Board

Note:
First turn 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 .

Funktionen:

  • Can use the computer USB port 5V power supply
  • or using a mobile phone charger USB port 5V power supply
  • can provide 3W (left channel) +3 W (right channel) output power in the 4Ω load and 5V power supply conditions
  • module has a short-circuit current protection and over-temperature protection
  • Size:21 x 18 x 3.4mm(L x W x H)

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