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12pcs Mini PAM8403 DC 5V Audio Amplifier Handy Digital Power Amp Module Board 3W+3W Dual-Channel PAM8403 Stereo Amplifiers with Potentiometer for DIY Portable in Kuwait

12pcs Mini PAM8403 DC 5V Audio Amplifier Handy Digital Power Amp Module Board 3W+3W Dual-Channel PAM8403 Stereo Amplifiers with Potentiometer for DIY Portable

KWD 4.500
ColorPAM8403 Module with Potentiometer
All electronics ship with US style plugs. You may need a voltage converter or a plug adapter.
– 1 +

Special Features

  • PAM8403:PAM8403 digital power amplifier chip,power filter is 470uf,1.6mm glass fiber sheet,output:3W+3W,high sound quality
  • Working voltage 2.5V ~ 2.5V; Maximum output 3Wx2;PC USB 5v power supply is available. (ensure operating voltage is below 5.5V)
  • Dual-channel stereo, 5V power supply can output 3W +3 W power, can be directly driven 4Ω, 8Ω small speakers, the output power, enough energy, good sound quality.
  • Excellent noise suppression, no audio input in the case of ear close to the speaker can not hear any noise.
  • The unique Class D digital powerless board with LC filter can be powered directly from the computer's USB.

Description

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) +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
Application:
LCD TVs, monitors/Laptop/Portable Speakers/ Portable DVD players,/game consoles/ Phone / speakerphone
Specifications:
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 Included:
12 * Super Mini PAM8403 Digital Power Amplifier Board

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