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Digital DC 5V Amplifier Board Class 2*3W USB Power Mini PAM8403 Audio Module U, US $0.99 – Picture 0
Digital DC 5V Amplifier Board Class 2*3W USB Power Mini PAM8403 Audio Module U, US $0.99 – Picture 1
Digital DC 5V Amplifier Board Class 2*3W USB Power Mini PAM8403 Audio Module U, US $0.99 – Picture 2
Digital DC 5V Amplifier Board Class 2*3W USB Power Mini PAM8403 Audio Module U, US $0.99 – Picture 3
Digital DC 5V Amplifier Board Class 2*3W USB Power Mini PAM8403 Audio Module U, US $0.99 – Picture 0
Digital DC 5V Amplifier Board Class 2*3W USB Power Mini PAM8403 Audio Module U, US $0.99 – Picture 1
Digital DC 5V Amplifier Board Class 2*3W USB Power Mini PAM8403 Audio Module U, US $0.99 – Picture 2
Digital DC 5V Amplifier Board Class 2*3W USB Power Mini PAM8403 Audio Module U, US $0.99 – Picture 3

Digital Dc 5v Amplifier Board Class 2*3w Usb Power Mini Pam8403 Audio Module U

US $0.99

  • HK, China
  • Jan 29th
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Description 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 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) Color:As the pics show Net weight:1g Package Contents: 1 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. Preview Engineered for professional eBay sellers!   On Nov-20-14 at 20:59:04 PST, seller added the following information:
Condition:
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. ...
Brand Buytra
recommended 4 ohms
Model Amplifier Board
Speaker Power 2-8W
Operating voltag 2.5V-5.5V
Size 21 x 18 x 3.4mm(L x W x H)
Speaker With 4-8ohms
Package Contents 1 x Amplifier Board

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