AKG Pro Audio K240 STUDIO Over-Ear, Semi-Open, Professional Studio Headphones Size: K240STUDIO Professional studio headphones Semi-open 3 m replaceable cable Audio Interface type: Stereo plug – 3.5mm (1/8-inch) with 6.3 mm (1/4”) screw-on adapter Back to the tools. Share this:PrintMoreTweetLike this:Like Loading...