Megabox Portable PA Speaker The Megabox Portable PA Speaker offers GPS positioning and uniform time function, supporting 7 days of 20-minute daily music playback on a full charge. It features multiple cascades for enhanced volume, timed playback with over 100 customizable timing points, and VoD selection by button. Control playback, adjust volume, and manage audio sources easily. It delivers powerful broadcast coverage with sound pressure levels up to 250dB at 100 meters and includes a 6.35mm input socket for microphone connectivity. Perfect for outdoor parties and romantic music with family and friends.