MP3 / wav player can be added to any stand alone animatronic or entire pLc cabinet for attraction.  Price includes a single mp3/wav player .Each unit is an addressable modbus slave   For example slave 1- 20 or as many units as desired  . Each unit has capability of 1000 tracks mp3 or wav.  Loop , single file , pause , continue , stop , modbus slave id update   And comes with standalone USB hardware and software that will connect independently from PLC  to your PC as well .  Unit requires a pLc control system controller to send data values to allow audio playback to function for automatic use.  Or can be used manually from pC . Comes complete with 12 vdc 1.5 amp din rail power supply and power cable .Video demonstration inside PLC software for triggering via modbus audio player .  https://youtu.be/ZAszdj7CaGc