5 PCS Digital DC 5V Carte d’Amplificateur Classe D 2*3W USB Power Mini PAM8403 Audio Module

10,77 (as of 15 avril 2017, 22 h 43 min)

2.5V-5.5V. Note: The power supply voltage should not exceed 5.5V, the power of positive and negative do not reversed.
Equipped with speaker: 4-8 Europe, recommended: 4 ohms; Speaker power: 2-8W.
You can use computer USB port 5V power supply, or use the cell phone charger USB port 5V power supply, you can use a lithium battery power.

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Description

 

 

5 PCS Digital DC 5V Carte d’Amplificateur  Classe D 2*3W USB Power Mini PAM8403 Audio Module 

Features:

•2.5V-5.5V. Note: The power supply voltage should not exceed 5.5V, the power of positive and negative do not reversed.

•Equipped with speaker: 4-8 Europe, recommended: 4 ohms; Speaker power: 2-8W.

•You can use computer USB port 5V power supply, or use the cell phone charger USB port 5V power supply, you can use a lithium battery power.

•High efficiency of 90%, under 4Ω load and 5V supply conditions, can provide 3W (left channel) + 3W (right channel) output power. Efficiency amplifier Class A, Class B and so only about 30%, Class D amplifier respected in today’s green trend.

•High efficiency Class D amplifier, not because of temperature affect the sound quality, but without additional heat sink, taking up very small.

•Built-in noise canceling circuit amplifier board, power is turned on when no pop noise on / off; module with short circuit current protection and over-temperature protection.

•Board size: 21 * 19 (mm)

Application:

•LCD televisions, monitors

•laptop

•Portable Speakers

•Portable DVD players, game consoles

•Phone / speakerphone

Pacakge included:

•5 X Digital DC 5V Carte d’Amplificateur  Classe D 2*3W USB Power Mini PAM8403 Audio Module 

 

 

2.5V-5.5V. Note: The power supply voltage should not exceed 5.5V, the power of positive and negative do not reversed.
Equipped with speaker: 4-8 Europe, recommended: 4 ohms; Speaker power: 2-8W.
You can use computer USB port 5V power supply, or use the cell phone charger USB port 5V power supply, you can use a lithium battery power.
High efficiency Class D amplifier, not because of temperature affect the sound quality, but without additional heat sink, taking up very small.

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