Description
The Foreverharbor 2 Channels 3W Digital Power PAM8403 Class D Audio Module Amplifier Board is a compact and efficient device that can be powered by a computer USB port, mobile phone charger, or battery. It can provide 3W output power for both left and right channels and has a high efficiency of 90%. The amplifier board also features a noise canceling circuit, pop noise prevention, and protection against short-circuit and over-temperature. It is made of metal and has an operating voltage of 2.5V-5.5V. This versatile device can be used for various applications such as LCD TVs, monitors, laptops, portable speakers, DVD players, game consoles, phones, and speakerphones. The package includes one amplifier board.
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.
Can provide 3W (left channel) +3W (right channel) output power in the 4O load and 5V power supply conditions.
High efficiency 90% A class, B class amplifier such efficiency is only about 30%.
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.
Description:
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.
Specifications:
Material: Metal
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: green
Application: LCD TVs, monitors, Laptop, Portable Speakers, DVD players, game consoles, phone, speakerphone.
Package include:
1 x Amplifier Board
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