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Super Mini PAM8403 Digital Power Amplifier Board 2*3W Class D 2.5-5V USB Power

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产品详情

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


Note:Left and right channel output "negative" can not be connected together, otherwise it will burn IC, and should be connected before the horn (load). Rated working voltage 2.5 ~ 5V, the limit working voltage 5.5V

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产品详情

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


Note:Left and right channel output "negative" can not be connected together, otherwise it will burn IC, and should be connected before the horn (load). Rated working voltage 2.5 ~ 5V, the limit working voltage 5.5V

Super Mini PAM8403 Digital Power Amplifie...

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