fMRI Hardware System - AudioSystem, Version 1.0 The AudioSystem allows auditory signals from the stimulus presentation PC to enter the scanner room and to be presented to the patient. A communication console allows the operator to adjust the sounds from the PC and to speak to the patient through a built-in microphone.
Report was of an interrupted MR scan after patient complained about acoustic distortion, and heat felt form the headphones.
Worldwide Distribution - USA (nationwide) and to the countries of : Russia, Israel. Norway, South Korea, China, France, South Africa, Japan, Poland, Chile, Switzerland. Australia, Belgium, Lithuania, United Kingdom and Bulgaria
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-2103-2018