Comes with hall board and hall capsule , 5V regulator board, audio board, sd card (for MP3 files), protective box for all electronics, 12 V Power supply and 2 small door mounts for connection to sensors. Comes with instructions on installing. Simple just put 1 connection sensor on top of door and screw into door and other connection sensor on top of door frame with wires running to protective electronics box and power supply in ceiling. 

You supply speakers. 

No install is included

Sound Trigger for Doors - Hortizontal