Audio Sample - Mobius' Robo-scorpion is a holodisk in Fallout: New Vegas add-on Old World Blues. It can be given to Blind Diode Jefferson who can upgrade the sonic emitter to Sonic emitter - robo-scorpion.
Location
After the Courier has destroyed Mobius' X-42 giant robo-scorpion in the Forbidden Zone dome, it can be found on a table at the far end of the room.
Transcript
This holotape contains an audio sample from Mobius' Giant Robo-Scorpion. It can be used to modify the Sonic Emitter weapon at the Sink's Jukebox.