Shenzhen Creatall Electronics Co., Ltd.
                                                                                                           
Verified Supplier
22 Years
Since 2004
Menu

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

Price Negotiable
Price: negotiable
MOQ: 10pcs
Delivery Time: 5-8 work days
Brand: Creatall
Product Description
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

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shenzhen Creatall Electronics Co., Ltd.
Location Address:Floor 2nd.Bldg B. Xin Mao Industrial Zone,Xia Wei Industrial Area, Long Hua District, Shen Zhen City,Guang Dong Province. China
Contact Person Alva Cheng

Request A Quote

Please check your email address.
Your message must be at least 20 characters.