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Specification
AudioInput : XLR
Brand : Generic
BulletPoint : TF Card MP3 Decoder Board Module 3.75V lithium Battery Power Supply With 2W Mixed Mono Memory Playback Function
BulletPoint1 : Electronically-balanced 4-channel line output
BulletPoint2 : Designed for use with the D-901 Digital Mixer
BulletPoint3 : 24 bits Digital-Analog converter processor
BulletPoint4 : XLR-3-32 type connector
BulletPoint5 : 48 khz sampling frequency
Color : default
ExternallyAssignedProductIdentifier : 5205166953329
ExternallyAssignedProductIdentifier1 : 0761373842580
ExternallyAssignedProductIdentifier2 : 761373842580
Frequency : 48 KHz
ItemName : TF Card MP3 Decoder Board Module 3.75V Lithium Battery Power Supply with 2W Mixed Mono Memory Playback Function
ItemPackageQuantity : 1
ItemTypeKeyword : sound-modules
Manufacturer : Generic
Material : Copper
ModelNumber : 5205166953329
NoiseLevel : 100 decibels
NumberOfChannels : 4
OutputConnectorType : XLR
PartNumber : Lile_HFN_2081
PowerSourceType : Corded Electric
ProductDescription : TF card MP3 decoding board decoding module 3.7-5V power supply with 2W mixed mono with memory play volume memory


TF card MP3 decoding board, no TF card, support to play MP3 music files, the current test 16G TF card support, no matter how large has not been tested


3.7 Lithium battery or USB 5V can be powered,


The three groups of white boxes in the upper right corner of the board are three groups of tap keys, the middle group is the play pause key, the two groups of short press up and down are the up and down crank keys, and the two groups of long press up and down are the volume +- adjustment.


It is recommended to use USB 5V power supply, because some old USB disk is 5V power supply, do not support the 3.7V voltage of lithium battery, so the lithium battery power supply, resulting in the USB disk can not play, the new USB disk as long as it supports 3.7V power supply can be played normally.


With 2W mono amplifier, 5V power supply power amplifier output 3W (recommended with 4 €3W card small speaker, good sound quality, loud sound, if you feel the volume is not enough, please directly change 4 €5W speaker, the sound is loud to scare you. After changing the 4 €5 watt horn, pay attention to the power amplifier chip heat dissipation oh, good to add heat sink)


Some customers reflect that when the power amplifier plays music, there will be heat phenomenon, the power amplifier chip or the power amplifier tube is normal, as long as the power is not released to the large volume, the output end of the short-circuit horn (resistance 0 ohm) will not burn the power amplifier chip, you can rest assured that it can be used.


Some customers need to go back to the board as the amplifier before, do not need the power amplifier of this board, go back to their own power amplifier, can be modified as follows, remove the board's power amplifier chip (8-pin chip), and then
ProductSiteLaunchDate : 2023-11-30T05:21:20.537Z
UnspscCode : 43200000