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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

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China Shenzhen Creatall Electronics Co., Ltd. certification
China Shenzhen Creatall Electronics Co., Ltd. certification
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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

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

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

Product Details:
Place of Origin: Guangdong, China
Brand Name: Creatall
Model Number: amplifier audio board
Payment & Shipping Terms:
Minimum Order Quantity: 10pcs
Price: negotiable
Delivery Time: 5-8 work days
Supply Ability: 1000 Piece/Pieces per Day
Contact Now

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

Description
Features: Amplifier Audio Board Application: 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
Highlight:

Audio Player Decoder Board Module

,

MP3 Format Decoder Board Module

,

TF Card Decoder Board 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

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

H
Hans Mueller
Germany May 10.2026
Helpful (312)
Ausgezeichnetes 2.1 Kanal Verstärker-Modul! Die 3D Surround Klangqualität ist beeindruckend. Class D Technologie sorgt für effiziente Leistung. Perfekt für Heimkino-Systeme. Einfache Installation und hervorragende Audio-Qualität. Sehr empfehlenswert!
W
William Brown
Australia May 10.2026
Helpful (189)
Fantastic 2.1 HiFi amplifier! The Bluetooth 5.0 connection is stable and the audio quality is superb. 2*50W+100W output provides powerful sound for my home theater. Easy setup with DC12~24V power supply. Excellent value, highly recommend!
M
Michael Johnson
United States Jul 3.2025
Helpful (156)
Excellent Bluetooth amplifier module! The sound quality is crystal clear with impressive 90dB SNR. Easy to install and works perfectly with my audio system. The frequency response covers the full range 20Hz-20KHz as advertised. Highly recommend for DIY audio projects!
Tag:

Power Amplifier Board,

Amplifier Circuit Board,

Dual Channel Amplifier Board

Contact Details
Shenzhen Creatall Electronics Co., Ltd.

Contact Person: Alva Cheng

Tel: +86-13827494627

Fax: 86-755-85270755

Send your inquiry directly to us (0 / 3000)

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