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

Description

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 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 / 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.
Shipping
We offer FREE shipping on all orders!
We ship within Three business days of payment, usually sooner.
We use a selection of shipping services such as UPS, FedEx, USPS etc.
We only ship to the lower 48 states, no APO/FPO addresses or PO Boxes allowed.
Local pickups and combined shipping options are not provided at this time.
Return
You can return a product for up to 30 days from the date you purchased it.
Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt.
Payment
We accept payment by any of the following methods:
PayPal
Please pay as soon as possible after winning an auction, as that will allow us to post your item to you sooner!
Feedback
Customer satisfaction is very important to us.
If you have any problem with your order, please contact us and we will do our best to make you satisfied.
Contact Us
If you have any queries, please contact us via ebay. We usually respond within 24 hours on weekdays.
Please visit our eBay store to check out other items for sale!
Thank you for shopping at our store.