Voice power amplifier module Audio external u disk voice power amplifier module MP3 decoding player module

Description

The TF/U Disk MP3 Format Decoder Board Amplifier Module is a compact audio playback board designed for DIY electronics and embedded audio projects. It plays MP3 files stored on a microSD (TF) card or a USB flash drive. The board includes an onboard 2W mono power amplifier capable of ~3W output at 5V for driving a 4Ω speaker, plus a 3.5 mm stereo headphone jack for external audio output. It is powered via a Micro-USB connector 5V or an optional 3.7 V lithium battery (solder-pad terminals), and features four push-button controls for navigation and mode selection. A red LED indicator flashes during MP3 playback. The module is often used in applications like message playback systems, audio announcements, alarms, or any project requiring standalone MP3 audio playback