2PCS 3W×2 Mini Digital power Audio Amplifier Board USB 5V Power Supply Arduino

Description

>Description
1. Power supply: DC2.5-5.5 V.
2. Output power: 3W + 3W (4Ω).
3. SNR: 90dB.
4. Efficiency: > 90%.
5. Size: 15.5×24 mm.
NOTE:
1. Single lithium battery or USB power supply is suitable, also can use four sections of 1.5V battery, if use with the transformer power supply,it must add 5V voltage circuit, more than 6V will burn IC out.
2. + and - of power supply can't be reversed, power supply voltage can't be more than 6V, otherwise it will damage the IC.
3. there were high gain buffers, can't change any board device parameters, do not accord with the parameters of the IC will lead to damage.
4. input wire please use shielding wire, can rise anti-interference function, eliminate clutter current sound.
5. output is CMOS BTL drive mode,4 wire is completely independent, don't connect together!
Package includes:
2PCS 3W×2 Mini Digital power Audio Amplifier Board USB 5V Power Supply Arduino
>Payment
We only accept payment through Paypal.
Items will go to post within 1-2 business days after payment confirmed.
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>Shipping
USA customers
: all items will be shipped to address in buyer’s eBay details via ePacket service of USPS & China Post. We’ll offer tracking number for each package. Tracking info can be traced on USPS system.
Customers outside of USA:
all items will be shipped to address in buyer’s paypal details via Hong Kong post air mail.
Before you bid item, please clear you have noticed below details:
7-25 working days: United States
10-25 working days: Canada, United Kingdom, Australia, Japan, New Zealand
2-5 working weeks: Countries in Western Europe, Southeast Asia, Israel, Korea
3-6 working weeks: Russia, Eastern Europe, Mid-East
4-7 working weeks: Mexico, South America
Because of some post and custom reason, we ship item to worldwide but exclude the following countries and area:
AFRICA
: All countries in Africa;
ASIA
: Afghanistan, Bangladesh, Bhutan, Brunei, Cambodia, China, India, Iraq, Kazakhstan, Kyrgyzstan, Laos, Maldives, Mongolia, Nepal, Philippines, Singapore, Tajikistan, Turkey, Turkmenistan, Uzbekistan, Vietnam;
Central America and Caribbean;
South America
: Colombia, Ecuador, Peru;
EUROPE
: Italy, Moldova, Romania.
We are unable to take any responsibility for any custom delay or tax. Reason is because transit time is highly depended and provided by Postal Service (except weekends and holidays).
>Contact Us
Normally, we leave positive feedback for you once payment received. We are also hope that you can do me the same. Your support will keep us moving forward forever.
If you are not satisfied when you receive your item, please return it within 30 days for a replacement or money back. Please contact me before you return it.
If the shipping delay happened, we’re willing to pay refund or resend new item(s).
On Mar-22-16 at 02:50:28 PDT, seller added the following information:
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