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

Description

PAM8403 3W×2 Class D Mini Digital Audio Amplifier Board USB DC 5V Power Supply
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Description
Item Description:
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100% Brand new and high quality.
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Can use the computer USB port 5V power supply
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or using a mobile phone charger USB port 5V power supply
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battery power can also be used
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high efficiency:90%
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can provide 3W (left channel) +3 W (right channel) output power in the 4ω load and 5V power supply conditions
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A class, B class amplifier such efficiency is only about 30%
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D class amplifier is highly respected today
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D class amplifier efficiency is extremely high, not because of temperature affect the sound quality
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but do not add heat sink and take less space
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noise canceling circuit was built in the amplifier board
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power on / off without pop noise
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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
Payment
We only accept payment via Paypal.
The buyer is responsible for any applicable import duties and local taxes.
Usually there's no any charges for small parcel. But please verify with your customs before making your purchase.
Delivery details
The items will be shipped within 1~2 working days after your payment is received and cleared.(excluding Saturday, Sunday & Holiday)
All items will be shipped to your Paypal address, so please make sure to provide us with the correct, precise, detailed shipping address.
The Delivered time to USA buyer is about 7~20 days, other country about
15~35
days delivered.
Notes: pls contact us if you need need trackable or express shipping service.
Terms of sales
All the items will be tested before shipping. Buy them with the confidence!
We maintain the excellent service standards
and strive for 100% customer satisfaction and
Positive feedback.
If you have any problem, please do feel free to contact us before leave Neutral
or Negative
feedback, so that we can satisfactorily address your concerns.
Return
We afford all cost if it's our fault. Exchange or refund.
Contact us
We strive to provide you with the best service, reply your question within 24 hours.
Business time: 9:30~21:30 (GMT+8) exclude the weekend and holidays.