A mobile cart for use in virtual reality and monitor-based multi-participant experiences, DJ configurations, karaoke and audio uses incorporating vertical supports extending from the housing, supporting fixed, pivotal or rotative booms radially extending from the housing serving as supports for equipment such as microphones, positional sensors, head mounted displays, and retractable tethers performing cable management by holding one or more equipment cables above a user's head to prevent user cable-entanglement, such as, when using head mounted displays.