PSIONIC
psi·on·ic
sīˈänik/adjective
relating to or denoting the practical use of psychic powers or paranormalphenomena.
psi·on·ics
sīˈäniks/noun
the study of paranormal phenomena in relation to the application of electronics. The term comes from psi (‘psyche’) and the -onics from electronics (machine). There is no scientific evidence that psionic abilities exist.
a poltergeist for your speakers.