Mini Digital DC 5V Amplifier Board Class D 2*3W USB Power PAM8403 Audio Module

Product Overview

Description

Mini Digital DC 5V Amplifier Board Class D 2*3W USB Power PAM8403 Audio Module

Part Number	Manufactrer	Package	RoHS	Lead Time
PAM8403	Ooriginal board	Bulk	Lead Free	In Stock

 

Feature:
1. working voltage: 2.5V-5.5V. Note: the power supply voltage should not exceed 5.5V, the power supply and negative do not answer.
2.speakers with: 4-8 Oh, recommended: 4 euro; horn power: 2-8W.
3. can use the computer USB port 5V power supply, or the use of mobile phone charger 5V USB power supply, you can also use the lithium battery power supply.
4. high efficiency 90%, 4 load and 5V power supply conditions, can provide 3W (left) +3W (right channel) output power. Class A, class B and other power amplifier efficiency is only about 30%, D class amplifier in today's green trend is highly respected.
Class

5.D amplifier efficiency is very high, not because of the impact of temperature and sound quality, and do not add heat sink, the volume is very small.

 

 

Application:
1.LCD TV set, monitor
2.Notebook computer
3.Portable speaker
4.Portable DVD player, game machine
5.Mobile phone / hands-free phone

 

Use note:
Turn on the speaker before switching on the power supply, otherwise it is easy to cause damage to the chip;
Because the digital volume control in the module has a large gain, so do not let the audio signal input is too large and the signal to produce cutting limit.

 

Wiring diagram:

 

 

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1.All products with 1year warranty from the date received.

2.Full amount refund or replacement for defective merchandise within warranty period.

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