PAM8403 3W×2 Class D Mini Digital Audio Amplifier Board USB DC 5V Power Supply
Tips: We can provide wholesale if you need large quantity, please contact us. Thanks.
 

 

Specification:

Item Description:

 

- 100% Brand new and high quality.
- 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 4ω 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)
 
 
 
Note:
1.Left and right channel output of the "negative" can not be together, otherwise it will burn IC,
and speaker(load) should be connected before power on.
2.Since the digital volume control in the module has a large gain, do not let the audio signal input is too large and the signal to produce cutting limit
 
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  • The Delivered time to USA buyer is about 6~20 days, other country about 15-30 days delivered.

    Notes: pls contact us if you need need trackable or express shipping service.
  • All the items will be tested before shipping. Buy them with the confidence!
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