ขาย 10 ชิ้นแผงวงจรสเตอริโอเพาเวอร์แอมป์ d 2x3 w usb pam 8403 ราคาที่ดีที่สุด
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รายละเอียดสินค้า
Operating voltage: 2.5V-5.5V
Speaker With:4-8ohms recommended:4 ohms
A class, B class amplifier such efficiency is only about 30%
But do not add heat sink and take less space
Laptop
Color:As the picture shown
Portable DVD players, game consoles
or using a mobile phone charger USB port 5V power supply
Power on / off without pop noise
Noise canceling circuit was built in the amplifier board
D class amplifier efficiency is extremely high, not because of temperature affect the sound quality
Portable Speakers
D class amplifier is highly respected today
Can provide 3W (left channel) +3 W (right channel) output power in the 4Ω load and 5V power supply conditions
Can use the computer USB port 5V power supply
High efficiency:90%
Speaker Power :2-8W
Phone / speakerphone
LCD TVs,monitors
Module has a short-circuit current protection and over-temperature protection
Battery power can also be used
Size:As the picture shown
Package Contents:10 x Amplifier Boards
