Description about the amplifier board:
Super sound quality, onboard 2W mono amplifier (up to 3W with 5V power supply) directly connected to speakers (recommended to be paired with 4 Ω 3W speakers), 3.5mm gold-plated headphone jack can be used to connect headphones or external speakers.
Equipped with a MicroUSB power interface, it can be powered by a mobile power bank or USB charger through a phone data cable, or by a 3.7V lithium battery or USB 5V power supply.
The Decoding Board Supports TF card (internal storage card) and USB playback mode.
The horn terminal block does not require welding and is convenient for wiring.
The module design is convenient for modification.
Product Overview about the MP3 amplifier module:
1) The amplifier board supports MP3 format, automatically plays when powered on, and the red LED indicator light updates during playback status.
2) The amplifier module supports USB flash drive (tested 32GB) and TF card (tested 16GB) playback modes; The default TF card mode is when powered on. If the TF card does not automatically jump to USB mode and both devices are installed, the playback mode can be manually set. For details, please refer to the button operation instructions.
3) The buttons can adjust the up and down track switching, volume+-, pause/play, mode switching. For details, please refer to the button operation instructions.
4) You can press the button to set the "single/full song" loop, and the default full song loop is when powered on. Press the "Repeat" button to change the loop mode
Key operation instructions to the MP3 amplifier module:
Previous/V -- "key:" Short press "to switch to" previous "song," Long press "to" volume decrease "
Next/v++"key:" Short press "to switch to" next "song," Long press "to" volume up "
P/P/Mode "key:" Short press "to switch between" play/pause "," Long press "to switch to USB drive, TF card" mode "selection
Repeat "key:" Short press "to cycle between" single/full song "(without long press function)
Attention: 1. Long press for approximately 2 seconds
If using USB mode, it is recommended to provide 5V power supply, as some USB drives do not support 3.7V power supply.
About Us:
Shenzhen Chengsuchuang Technology Co.,Ltd., founded in 2014 year,located in Longgang District of Shenzhen City of China.Line card is electronic components consist of Consumer Electronics,Industrial Electronics,Auto Electronics,PCBA integrated solution project and related hardware accessories.In recent years,with business expanding,we noticed there is a potential increasing in the programming boards market,then we develop a line card for programming boards business related with platform on Arduino,Raspberry Pi,Micro:Bit,STM32,N-XP,TI,ST,Atmel,MicroChip.etc.
Our Advantage:
Wide range to Electronics Hardware solution.One stop supply solution according to your different kinds electronic components
sourcing requirements to save your international shipping cost.
Fast Shipment.For featured products, usually within 1 week lead time, some goods in stock, then we can ship out immediately.
Reasonable Pricing and Reliable Quality. Rich experience in the fields, we are able to get competitive cost,all products provided
with 1 year warranty,any quality issue during the period will be refund or sending replacement.
Customization project provided.PCB design and PCB assemble production project supported.Our skillful engineer are able to
solve the customization project especially good at Communication, Bluetooth, Driver, Power project etc.
Different currency supported.Our company bank accept different currency including US Dollar, Euro Dollar, British Pound
Japanese Yen, Swiss Franc, Danish Krone, Norwegian Krone, Australian, Canadian Dollar, Singapore Dollar, Swedish Krona,
New Zealand Dollar, Hong Kong Dollar.
OEM/ODM Solution is provided.Medium and small batches supported.Currently the countries we have dealt come from USA,Canada UK,Germany,France,Italy,Finland,Netherlands,Poland,Czech,Romania,Russia,India,Vietnam,Australia,New Zealand,Thailand,Argentina Costa Rico,Colombia,Ecuador,Brazil,Uruguay etc.
We based on the principle of Sincerity,Quality and Innovations to serve customers,welcome to establish the cooperation from all over the world.
Audited Supplier 
){kind=link}