Red wall box. Set to house a TFEVOBMVF microphone unit. Includes mounting panel/plate. Built in high-resistance steel sheet. Colour red RAL3000. Door with glass window providing a view of the status LEDs and the underlying operating elements. The door has an insert with a locking handle to prevent unauthorized opening. Connection to the control unit via ACSI bus, quick connection via screw terminal adapter. Note: requires a TFEVOPANBOXBM blind block.