Confidential Mystery Audio Restoration Needed

Someone slipped me an audio file that seems to be looping the same short clip. Right now it is buried under hiss, distortion, low-level vocals and a noticeable echo, so I can only catch fragments of words... (Budget: $30 - $250 CAD, Jobs: Adobe Audition, Audio Editing, Audio Engineering, Audio Mastering, Audio Processing, Audio Production, Audio Services, Music, Sound Design, Sound Engineering)