9-24V 30W Voice Broadcast MP3 Control Playback Audio Module High and Low Level

MP3 Player Audio Voice Board Module High/Low Level 1 to one trigger DC9-24V 30W

DC3.7-5V 5W Voice Playback Module 32M Flash Storage MP3 Music Player Control

9-24V 30W Voice Broadcast MP3 Control Playback Audio Module High and Low Level

DFPlayer Mini TF Card U Disk WMV MP3 Decoder Player Audio Voice Module

9-24V 30W Voice Broadcast MP3 Control Playback Audio Module High and Low Level

DC12-85V HL20F 20W Voice MP3 Playback Control Module 1-to-1 Trigger Custom Audio