2pcs PAM8403 amplifier board Class D 2x3w super mini digital amplifier

Detail 2pcs PAM8403 amplifier board Class D 2x3w super mini digital amplifier

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Products: PAM8403 Mini Class D digital amplifier board
1. Working voltage: 2.5V-5.5V. Note: The power supply voltage should not exceed
5.5V, the power of positive and negative do not reversed.
2. Equipped with speaker: 4-8 Europe, recommended: 4 ohms; Speaker power: 2-8W.
3. You can use the computer USB port 5V power supply, or use the phone charger
USB port 5V power supply, you can also use lithium battery power.
4. High efficiency of 90%, and 5V power at 4 load conditions, can provide 3W
(left channel) + 3W (right channel) output power. Efficiency amplifier Class A,
Class B, only about 30% of the Class D amplifier respected in today's green
trend.
5.D high class amplifier efficiency, temperature rise will not affect the sound
quality, but without additional heat sink, taking up very small.

Applications:
the LCD TVs, monitors
laptop
portable speakers
portable DVD players, game consoles,
cell phone / speakerphone

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