inputs.text: works great 12v 5amp power supply expensive - works great 12v 5amp power supply expensive buy use cheaper 25 amp supply radio shack frys best buy using smaller 20 watt speakersnote sdusb make sure music mp3 format directions say importantly make sure sdusb drive formatted microsofts fat file formatalso lcd display song number 000001 use songs church puppet shows already songs numbered finding song easy