MP3 Player Module with Micro SD Card UART Control 20W Audio Decoder Board

DY-HV20T Voice Playback Module Overview This DY-HV20T voice playback module offers a practical solution for adding MP3 and WAV audio playback to your projects. With support for decoding MP3 and WAV files across a wide range of sample rates, including 8, 11.025, 12, 16, 22.05, 24, 32, 44.1 and 48 kHz, it delivers flexible audio performance for a variety of applications. The module provides a maximum output of 20 W into 4-ohm speakers and 10 W into 8-ohm speakers, making it suitable for driving small to medium audio setups. Control and Playback Options The module supports playback of up to 65,535 music tracks via its UART control protocol, allowing you to manage playback, pause, track selection and volume adjustment with ease. The communication transfer speed is set at 9600 baud. Additionally, you can trigger playback of up to 255 songs directly through the trigger IO, offering a straightforward way to initiate audio without complex programming. This makes the module well suited for interactive displays, announcements or custom sound installations where reliable, simple control is required. Audio Quality and Power Supply Featuring 24-bit output with a dynamic range of 90 dB and a signal-to-noise ratio of 85 dB, the module delivers clear, detailed audio reproduction. It accepts a DC supply voltage ranging from 6 to 35 V, giving you flexibility when integrating it into existing power systems. The module also supports Micro-SD cards up to 32 GB, providing ample storage for your audio library. Whether you are building a custom playback device, an automated announcement system or an interactive exhibit, this module offers a dependable and versatile foundation.