DY-SV5W Voice Playback Module is an intelligent voice module featuring integrated I/O section triggering, UART serial port control, and one-line single bus serial port control. It includes a built-in 5W Class D amplifier circuit that can directly drive a 4ohm 3~5W speaker. Supports MP3 and WAV o decoding formats. Supports up to 32Gbit (4MByte) TF card storage; o files can be updated by connecting to a computer via USB cable. Features a 3.5mm o interface, U disk interface, Micro-USB download interface, and button module all in one unit. Color: Blue Material: PCB Features: 1. Supports MP3 and WAV decoding formats. 2. Supports sampling frequencies (KHz): 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48. 3. 24-bit DAC output with dynamic range up to 90dB, typical support at 85dB. 4. Compatible with FAT16/FAT32 file systems; supports up to 32Gbit (4MByte) TF card and 32Gbit (4MByte) U-disk. 5. UART serial port control enables voice broadcast functions including play, pause, track selection, volume adjustment, etc.; supports up to 65535 o files. Default baud rate: 9600 bps. 6. I/O trigger function with 8-bit I/O ports allowing independent triggering of 8 o tracks or combined triggers for up to 255 options. 7. One-line single bus serial control supports playback, pause, selection, volume control, and other functions. 8. Three configurable I/O pins for mode selection, enabling 7 different operation modes. 9. Built-in 5W Class D amplifier capable of directly driving a 4ohm 3~5W speaker. Specifications: - Product Name: DY-SV5W Voice Playback Module - Model Number: DY-SV5W - Operating Voltage: DC 5V Note: Due to manufacturing variations, appearance, color, and labeling may differ slightly between batches. These differences do not affect functionality. Package Includes: 1 x DY-SV5W Module (Other accessories shown in images are not included.) Note: Display lighting and monitor settings may cause slight color variations between the product image and actual item. Measurement tolerance: +/- 1-3 cm.