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TF Card MP3 Decoder Board With 2W Power Decoding Module 3.7-5V Mixed Mono

TF Card MP3 Decoder Board With 2W Power Decoding Module 3.7-5V Mixed Mono

Model Number : GS-TD01
Certification : CE ,Rohs
MOQ : 100pcs
Payment Terms : Paypal ,Western Union or T/T, MoneyGram
Supply Ability : 10000pcs/month
Delivery Time : 3-5 days after confirm your payment for sample order or according to your order quantity
Packaging Details : Anti-Static Bag
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TF card MP3 decoder board without TF card, support to play MP3 music files, is currently testing 16G TF card support, and a larger volume TF card is not tested yet
Powered by p3.7 lithium battery or 5V USB
3 Group white box top right corner of the board into three groups touch of a button, the middle of a group to play pause button, press the up and down two sets down song key, press the volume up and down 2 Leader + - adjusted.
There customer needs its own modified U disk player, please ask for information to the store manager, ability is not strong Oh does not recommend changes to prevent it burning board, change U disk player USB 5V power supply is recommended, because some old U disk is 5V power supply, 3.7V lithium battery voltage is not supported, so the battery, leading to U disk can not be played, as long as the new U disk support 3.7V power supply is normal play.
With 2W mono amplifier, power amplifier maximum output 3W 5V supply (recommendation 4 ohm 3W speaker with a small card small speaker on the sound quality is good, sounds great, if that was not enough volume, please directly for 4 Euro 5 watts speaker, loud to scare you, absolutely surprised, hey In other 4 Euro 5 watt speakers, the amplifier chip cooling attention Oh, plus the best heat sink)
There are customers to reflect amplifier when playing music, there will be the phenomenon of heat, or amplifier tube amplifier chip fever is normal, then they do not open to the large volume of the amplifier, the speaker output short circuit (resistance 0 ohms) is not going to burn amplifier chip can be assured.
There customer need to go back to the board to do the pre-amplifier, power amplifier does not need this board, then go back to their own amplifier, you can press the following modifications, the board amplifier chip (8-pin chip) removed, and then from the Master 4 feet and 6 feet (two feet left and right channel output controller chips), each series with a 104 (or 224) of the capacitor to the input of the amplifier can be (capacitive isolators to prevent the same power supply When burned in the fire, or late-stage master chip amplifier tube), and the remaining one wire from the negative pole to the amplifier input common
There customer need to go back to the board modification listen to music with headphones, the board of the amplifier chip (8-pin chip) removed, and then the first 4 feet from the master and 6 feet (about two feet of the master chip channel output), each series with a 104 (or 224) of the capacitor to headphone left and right channels, leaving a line connected to the headset from the negative common terminal
Automatic power play
Loop with memory function, after the next power continues from the last played tracks from the new play
Play. With LED indicator shows
PCB board size 34.23MM (about the distance) * 22.33MM (distance from top to bottom) * 1MM (thickness)
Appearance maximum size 37.09MM (about the maximum distance) * 22.33MM (maximum distance from top to bottom) * 2.97MM (maximum thickness)
3.7V 600MA lithium battery (043,545), if fully charged, can be used to open the largest volume of about 3.5 hours when it is powered on

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TF Card MP3 Decoder Board With 2W Power Decoding Module 3.7-5V Mixed Mono Images

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