5V Portable Digital Audio Player MP3 Decoder Board USB/SD/Op

FN-MD01 Modbus RTU Audio Player RS485 Modbus MP3 Player with

FN-BC20 RS485/20 Trigger Audio Player MP3 Sound Board

FN-BC20 (V1.1) 20 Channel Input MP3 Sound Board for KITT Rep

FN-BC20 Mini MP3 Player Sound Board 20 Button Triggered Soun

FN-BC10S Triggerable Audio Player Sound Board for Museum Exh

FN-BC07 7 Button Triggered MP3 Sound Module RS485 MP3 Player

FN-BC04 Triggerable MP3 Sound Board with 15W Class D Amplifi

FN-BC06 Multifunctional MP3 Sound Board with Class D 15W Amp