PAM8403 Audio Module USB DC 5V Class D digital amplifier Amplifier Board LCD

PAM8403 Audio Module USB DC 5V Class D digital

Color: Green

Can using the computer USB port 5V power supply or with a mobile phone charger USB interface 5V power supply

Can provide 3W (left channel) 3 W (right channel) output power at 4Ω load and 5V supply voltage conditions

Module comprises a short-circuit current protection and over temperature protection

Size: 21 x 18 x 3.4 mm (L x W x H)

High efficiency: 90%

A-Class, B-Class Amplifier efficiency as only about 30%

Class D Amplifier is now highly respected

D-Class Amplifier efficiency is extremely high, not because of the temperature effect on the sound quality

but not Add radiator and take up less space

Noise reduction circuit in the Amplifier board built

Power on / off without pop noise

Application: LCD TV devices, monitors, Laptop, portable Speakers, Portable DVD players, game consoles, Phone / Handsfree

Operating voltage: 2.5V to 5.5V

Speaker: 4-8ohms, recommended: 4 Ohm

Speaker power: 2-8W

Package Contents:

1 x Amplifier Board

Note: First, turn off and then Aktiv speakers or likely to cause damages to the chip; Because digital Volume control module has a large Volume, so do not be too much to leave the audio signal input signal Cut Limiter.

Only the above package content, other products are not included.

Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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