$2 for 10pcs boards, 48 Hours Quick Turn: https://jlcpcb.com/
→Get the XFS5152CE module
Aliexpress http://voltlog.com/y/uj395
Banggood http://voltlog.com/y/h8tiv
Ebay http://voltlog.com/y/xnzwv
→Get just the chip XFS5152CE
http://voltlog.com/y/7br1h
→5W audio amp module PAM8406
http://voltlog.com/y/znlvm
→XFS5152CE demo code for Arduino
http://www.voltlog.com/pub/voltlog_171.txt
→XFS5152CE datasheet
http://www.voltlog.com/pub/Iflytek-XFS5152CE_chinese_datasheet.pdf
http://www.voltlog.com/pub/Iflytek-XFS5152CE_english_datasheet.pdf
Blog post
http://www.voltlog.com/voltlog-171-xfs5152ce-speech-synthesis-module-example-project
