<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><p>Features: <br/>1. Wide voltage design: Supports 3.3-5.2VDC power supply, recommended 3.7V and above for stronger compatibility. <br/>2. Multiple audio decoding: Supports MP3 and WAV formats, with a maximum sampling rate of 48KHz and clear and stable sound quality. <br/>3. Rich serial port control functions: Implement playback, pause, volume adjustment, EQ switching and other operations through UART for flexible control. <br/>4. Large capacity extended storage: Supports TF cards and USB drives (up to 32GB, FAT32 format) for easy customization of audio file management. <br/>5. Built in high-efficiency amplifier: Comes with a 5W Class D amplifier, direct drive 4-8 Ω speakers, output power up to 5W, and strong sound effects.</p><p>product overview <br/>CX-ST5B is a compact UART controlled voice playback module that supports MP3 and WAV decoding formats. 3.3-5.2VDC wide voltage power supply, direct drive 4-8 Ω horn, maximum output power 5W. Supports TF cards and USB drives, and can be connected to a computer via a USB cable to replace audio files, making it suitable for a wide range of applications.</p><p>Parameter:<br/>1. 3.3~5.2VDC power supply, recommended to use 3.7V and above power supply <br/>2. Supports MP3 and WAV decoding formats, with a maximum audio file sampling rate of 48KHz <br/>3. Support UART asynchronous serial port control, support playback, pause, up and down songs, volume adjustment, EQ mode switching, song selection playback, specified path playback, specified path insertion and other functions <br/>4. Comes with a 5W Class D amplifier, which can directly drive 3W~5W speakers <br/>5. Support TF card (memory card) and USB flash drive; Capacity up to 32GB, FAT32 format <br/>6. Support custom audio files <br/>7. Size 38mm * 38mm</p><p>Package Include: <br/>Set 1: <br/>Module * 1</p><p>Set 2: <br/>CX-ST5B module * 1 <br/>CX-340 module * 1 <br/>Speaker * 1 <br/>Data cable * 1<br/><br/></p></div></div><p><br/></p>