Shared psychotic disorderis a rare psychiatric disorder. It is defined when a primary psychotic person imposes his/her delusional beliefs to the other person usually in a close relationship. Occurrence of this disorder among family members and close friends has been described. https://www.roneverhart.com/Behringer-UL-1000G2-Wireless-In-Ear-Monitoring-System-US-584-to-608-MHz-p31393/