20W 9-Way MP3 Player Voice Playback Module DC 6V-35V D-class Custom Audio Board 5, support for TF card (maximum 32G), U disk (maximum 32G) storage, TF card, U disk must be FAT32 format. 4, support for MP3, WAV decoding format, support for audio files with a maximum sampling rate of 48KHz. byJuly 3, 2026
