Which screw is used on the back of the Minx Min12? April 02, 2024 11:10 The screw on the back of the Minx Min12 speakers is a M6 x 14 countersunk screw. Related articles Minx TV Quick Start Guide, Remote Guide & IR Codes What are the technical specifications of the Minx MIN12? How should I connect my subwoofer to a single 'sub out' socket?