KT403A是一个提供串口的语音芯片，完美的集成了MP3、WAV、WMA的硬解码。同时软件支持TF卡驱动，支持FAT16、FAT32文件系统。通过简单的串口指令即可完成播放指定的音乐，以及如何播放音乐等功能，无需繁琐的底层操作，使用方便，稳定可靠是此款产品的最大特点。-KT403A is a provider of serial voice chip, perfectly integrated hardware decode MP3, WAV, WMA' s. At the same driver software supports TF card, support for FAT16, FAT32 file system. Can be done through simple serial commands to play specific music, as well as how to play music and other functions, without the cumbersome underlying operating, easy to use, stable and reliable is the most important feature of this product.