DY-SV17F MP3 Player Module – 5W Class-D Amplifier with 4MB Flash Memory
The DY-SV17F MP3 Player Module is a compact and versatile audio playback module designed for voice notifications, music playback, alarms, robotics, Arduino projects, and embedded audio applications. Based on the SV17F chip, the module combines audio decoding, onboard flash storage, serial control, and a built-in 5W Class-D amplifier into a small 23mm × 26mm board.
The module includes 32Mbit (4MB) Flash memory, allowing audio files to be stored directly on the module. Audio files can be uploaded through the module’s USB interface, eliminating the need for a separate memory card in supported configurations. The module can manage a large number of stored audio files, with up to 65,000 sound files supported by the system and up to 255 files directly addressable through the parallel address pins.
The DY-SV17F supports both MP3 and WAV audio formats and works with a wide range of sampling rates from 8kHz to 48kHz. It provides a 24-bit DAC, approximately 90dB dynamic range, and 85dB SNR, delivering clear audio output for embedded and portable applications.
For convenient control, the module provides a serial communication interface at 9600 baud. A microcontroller such as Arduino, ESP32, STM32, or another compatible controller can send commands to control functions such as play, pause, volume adjustment, track selection, and audio playback.
An integrated 5W Class-D amplifier allows the module to directly drive a compatible 4Ω or higher speaker, making it a practical all-in-one solution for applications that require both audio playback and amplification without requiring a separate amplifier board.
Features
- Compact DY-SV17F MP3 player module
- Based on the SV17F audio chip
- Built-in 32Mbit / 4MB Flash memory
- Supports onboard audio file storage
- Audio files can be uploaded through USB
- Supports MP3 and WAV formats
- Supports sampling rates from 8kHz to 48kHz
- Integrated 5W Class-D audio amplifier
- Designed for 4Ω or higher speakers
- Supports serial control at 9600 baud
- Supports play and pause control
- Supports volume adjustment
- Supports audio file and track selection
- Up to 65,000 sound files supported by the system
- Up to 255 files directly addressable through parallel address pins
- Built-in 24-bit DAC
- Approximately 90dB dynamic range
- Approximately 85dB SNR
- Compact 23mm × 26mm form factor
- Suitable for microcontroller-based audio systems
- Ideal for voice prompts and notifications
- Useful for robotics and automation projects
- Suitable for portable audio applications
Specifications
| Parameter |
Specification |
| Product Type |
MP3 Audio Player Module |
| Controller / Chip |
SV17F |
| Flash Memory |
32Mbit / 4MB |
| Supported Audio Formats |
MP3, WAV |
| Sampling Rates |
8 / 11.025 / 12 / 16 / 22.05 / 24 / 32 / 44.1 / 48kHz |
| Audio DAC |
24-bit |
| Dynamic Range |
Approximately 90dB |
| SNR |
Approximately 85dB |
| Amplifier |
Integrated Class-D |
| Maximum Amplifier Power |
Up to 5W |
| Speaker Compatibility |
4Ω or Higher |
| Serial Communication |
9600 Baud |
| Direct Parallel Addressing |
Up to 255 Files |
| Maximum Supported Files |
Up to 65,000 |
| Power Supply |
5V |
| Memory Upload |
USB |
| Module Dimensions |
Approximately 23mm × 26mm |
| Application |
Audio Playback, Voice Prompts & Embedded Systems |
Design and Construction
The DY-SV17F is designed as a compact all-in-one audio solution that integrates flash memory, audio decoding, digital-to-analog conversion, serial control, and power amplification on a single PCB.
Its small 23mm × 26mm footprint makes it suitable for compact electronic devices, robotic platforms, portable equipment, control panels, and custom embedded systems where PCB space is limited.
The onboard 4MB Flash memory provides storage for audio files, while the USB interface allows supported audio content to be uploaded to the module. This eliminates the need for an external storage device for applications that can operate within the module’s internal memory capacity.
The integrated Class-D amplifier provides up to 5W of audio output and is designed to drive a compatible speaker with an impedance of 4Ω or higher.
Working Principle
The DY-SV17F stores audio files in its onboard 32Mbit Flash memory. Once an audio file is stored, the module can decode supported MP3 or WAV files and convert the digital audio data into an analog audio signal.
The module’s 24-bit DAC processes the digital audio information and provides the audio signal for amplification. The integrated Class-D amplifier then increases the signal power so that it can drive a compatible external speaker.
The module can be controlled through its serial interface at 9600 baud. A connected microcontroller can send suitable commands to select audio files, start or stop playback, pause audio, adjust volume, and perform other supported playback functions.
For applications requiring simple hardware control, the parallel address pins can be used to directly select up to 255 stored audio files. This can be useful for systems where individual buttons, switches, sensors, or digital control signals are used to trigger specific sound files.
Audio File Support
The module supports:
- MP3 audio files
- WAV audio files
- Sampling rates of 8kHz
- 11.025kHz
- 12kHz
- 16kHz
- 22.05kHz
- 24kHz
- 32kHz
- 44.1kHz
- 48kHz
This makes the module suitable for both voice playback and music applications.
Control Methods
The module supports multiple methods of controlling audio playback depending on the project design.
Serial Control:
A microcontroller can communicate with the module through the serial interface at 9600 baud. This method provides access to functions such as track selection, play, pause, and volume control.
Parallel Address Control:
The parallel address pins can be used to directly select stored audio files. Up to 255 files can be directly addressed through these pins, making this method useful for simple trigger-based audio applications.
Applications
- Arduino MP3 player projects
- ESP32 audio projects
- ESP8266 audio projects
- STM32 audio systems
- Voice notification systems
- Robot voice modules
- Robotic announcements
- Talking robots
- Smart home devices
- Security alarm systems
- Doorbell systems
- Industrial voice prompts
- Public announcement systems
- Automated voice guidance
- Educational electronics
- Interactive toys
- Talking toys
- Game projects
- Portable audio devices
- DIY music players
- Audio alarms
- Machine status notifications
- Embedded audio systems
- Automation projects
- Custom electronic products
Package Includes
- 1 × DY-SV17F MP3 Player Module with 4MB Flash Memory and 5W Class-D Amplifier
Product Disclaimer
Product images are shown for illustrative and representational purposes only. The actual module may vary slightly in colour, PCB layout, component placement, connector arrangement, or appearance depending on the manufacturing batch.
Speakers, Arduino boards, ESP32 boards, USB cables, power supplies, connecting wires, buttons, switches, and other components shown in product images are not included unless specifically mentioned in the package contents.
A suitable 5V power supply should be used for the module. The integrated amplifier is designed for a compatible 4Ω or higher speaker. Actual audio output power depends on the power supply, speaker impedance, audio signal, thermal conditions, and operating environment.
The stated 5W amplifier rating is a maximum specification and should not be interpreted as guaranteed continuous output power under every operating condition.
Ensure that audio files are stored in a supported format and that the control interface is configured correctly before operation.
Note: Images are for representation only. The actual product may vary slightly in appearance.
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