Name: MP3 Decoder Board with 2W Mono Amplifier TF Card and U Disk Play Mode for 37V Lithium Battery Audio Player Module
Brand: Creatall
Price: 1 USD

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MP3 Decoder Board with 2W Mono Amplifier TF Card and U Disk Play Mode for 3.7V Lithium Battery Audio Player Module

Categories	Amplifier Board Module
Place of Origin:	Guangdong, China
Brand Name:	Creatall
Model Number:	amplifier audio board
Supply Ability:	1000 Piece/Pieces per Day
MOQ:	10pcs
Price:	negotiable
Application:	amplifier audio board
Features:	amplifier audio board
Mounting Type:	amplifier audio board
Description:	amplifier audio board
Lead time:	1-3 days
warranty:	3 month
MOQ:	Sample
Payment:	Trade assurance
Place Of Original:	China
Port:	shenzhen port guangzhou port
Delivery Time:	5-8 work days

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Company Info.

Shenzhen Creatall Electronics Co., Ltd.

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Product Details
Company Profile

MP3 Decoder Board with 2W Mono Amplifier TF Card and U Disk Play Mode for 3.7V Lithium Battery Audio Player Module

TF Card U Disk MP3 Format Decoder Board Module Amplifier Decoding Audio Player Module

Product Description

Superior sound quality with onboard 2W mono amplifier (5V power up to 3W) directly connected to speaker (recommended 4Ω 3W speakers)
3.5mm gold plated headphone jack for headphones or external audio connection
MicroUSB port for mobile power supply or USB cable charging
Supports 3.7V lithium battery or USB 5V power supply
Supports TF Card (mobile phone memory card) and U disk play modes
No soldering required with speaker terminals for easy wiring
Designed to facilitate modification

Product Overview

Supports MP3 format with automatic power-on playback
Red LED flashes during MP3 playback
Supports U disk (tested 32G) and TF Card (tested 16G) play modes
Power-on default: TF card mode; automatically switches to U disk mode if TF card not present
Manual mode selection available when both devices are installed
Buttons control song selection, volume adjustment, play/pause, and mode switching
Menu button for single/all song play mode selection
Default power-up mode: all song mode
Repeat button for cycling mode selection

Key Operating Instructions

Button	Press Action	Long Press Action (~2 seconds)
Prev / V--	Switch to previous song	Volume down
Next / V++	Switch to next song	Volume up
P / P / Mode	Play/Pause switch	U disk / TF card mode switch
Repeat	Single/All song mode switch	No long press function

Important Notes

Long press duration is approximately 2 seconds.

When using U disk mode, 5V power supply is recommended as some U disks do not support 3.7V power supply.

Product Specifications

Power Range	3.7~5.5V
Product Size	45mm × 36mm
Design Features	Double board design with large copper area for stability and reliability
Packaging	Anti-static bag packaging to prevent electrostatic damage during transit

Product Tags:

Audio Player Decoder Board Module

MP3 Format Decoder Board Module

TF Card Decoder Board Module

MP3 Decoder Board with 2W Mono Amplifier TF Card and U Disk Play Mode for 3.7V Lithium Battery Audio Player Module

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