MP3 Codec IC - VS1033D-L - COM-08127 - SparkFun Electronics
GPD2846A TF Card MP3 Decoder Board 2W Amplifier by hnhcart on DeviantArt
GitHub - christian-kramer/JieLi-AC690X-Familiarization: Adventures in figuring out how this incredibly ubiquitous, yet incredibly mysterious integrated circuit works.
JL AC1082|MP3 Decoding Voice Chip Ic KT3083 Version External Spiflash Hanging TF and U Disk _ - AliExpress Mobile
How To Repair MP3 Of A Sound Box (Power Problem) - YouTube
foone🏳️⚧️ on Twitter: "Kinda close-up on the JL AC17CHCSON.1-90. Can't find any info on that, but JLAC3090- chips are mp3 decoders, so I'm betting this is some kind of mp3 decoder. https://t.co/XNxwkuj1sN" /
Shenzhen Chenbing Electronics Co.,LTD
TF Card MP3 Decoder Board -- GPD2856A
Another super-cheap MP3 decoder module build / tutorial - great sound quality! - YouTube