DAOKI 10PCS Digital DC 5V Amplifier Board Class D 23W USB

DAOKI 10PCS Digital DC 5V Amplifier Board Class D 23W USB Power Mini PAM8403 Audio Module
- Super mini volume: 1.85 x 2.11 cm
- Excellent noise control. When there is no audio input, you cannot hear any noise even you close to the speaker.
- Two-channel stereo, single 5V power supply, can directly drive any 4-8 ohms speakers. High output power, good sound quality.
- Unique non-LC filter Class-D digital power board, can directly use the USB as the power supply.
- Package Content : 10 Pcs x Super Mini Digital Power Amplifiers Board
Features:
Can use the computer USB port 5V power supply
or using a mobile phone charger USB port 5V power supply
battery power can also be used
high efficiency:90%
can provide 3W (left channel) +3 W (right channel) output power in the 4? load and 5V power supply conditions
A class, B class amplifier such efficiency is only about 30%
D class amplifier is highly respected today
D class amplifier efficiency is extremely high, not because of temperature affect the sound quality
but do not add heat sink and take less space
noise canceling circuit was built in the amplifier board
power on / off without pop noise
module has a short-circuit current protection and over-temperature protection

Application:
LCD TVs, monitors,
Laptop
Portable Speakers
Portable DVD players, game consoles
Phone / speakerphone

Specifications:
Operating voltage: 2.5V-5.5V
Speaker With:4-8ohms recommended:4 ohms
Speaker Power :2-8W
Size:21 x 18 x 3.4mm(L x W x H)
Color:As the pics show
Net weight:1g

Package Contents:
10 x Amplifier Board

Note:Left and right channel output of the "negative" and can not be together,otherwise it will burn IC, and speaker(load) should be connected before power on.
Country USA
Brand DAOKI
Manufacturer DAOKI
Binding Electronics
ItemPartNumber TS-US-089-CA
Model TS-US-089-CA
UPCs 695259096074
EANs 0695259096074
ReleaseDate 0000-00-00

Country	USA
Brand	DAOKI
Manufacturer	DAOKI
Binding	Electronics
ItemPartNumber	TS-US-089-CA
Model	TS-US-089-CA
UPCs	695259096074
EANs	0695259096074
ReleaseDate	0000-00-00

DAOKI 10PCS Digital DC 5V Amplifier Board Class D 23W USB Power Mini PAM8403 Audio Module

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