EPLZON PAM8403 Ultra Mini Digital Power Amplifier Board

Specification:

📌Speaker Band: 4-8ohms Recommended: 4 ohms
📌Speaker power: 2-8W

feature:

🔺Can use the computer USB port 5V power supply or use the mobile phone charger USB port 5V power supply
🔺Battery powered also available High efficiency: 90%
🔺Can provide 3W (left channel) + 3W (right channel) output power under 4 loads and 5V power supply
🔺The efficiency of class A and class B amplifiers is only about 30%
🔺Class D amplifiers are highly regarded today
🔺Class D power amplifier is very efficient, does not affect the sound quality due to temperature, and does not add heat sinks,
takes up less space, and has a built-in noise reduction circuit on the power amplifier board.
🔺No popping sound when power on/off
🔺The module has short circuit current protection and over temperature protection

application:

📍LCD TVs, monitors
📍laptop
📍portable speaker
📍Portable DVD Players, Game Consoles
📍Telephone / Speakerphone

Package Included:

10pcs*PAM8403 Ultra Mini Digital Power Amplifier Board

Note:

The "negative" output of the left and right channels cannot be connected together, otherwise the IC will be burned, and should be connected in front of the speaker (load).
The rated working voltage is 2.5~5V, and the limit working voltage is 5.5V