Install Acoustic MDF Wall Cladding

I have a small drywall surface—no more than 50 sq ft—that needs to be covered with acoustic MDF cladding. The wall is already pre-painted and clear of fixtures, so what I need is a clean, precise installation that leaves no visible fasteners and sits perfectly flush from edge to edge... (Budget: $250 - $750 AUD, Jobs: Acoustical Engineering, Carpentry, Construction, Installation, Interior Design, Project Management)