Check the listing for details. Direct Sound Studio Plus+ Premium Isolation Studio Headphone Black Refurbished. Color: Not Available, Condition: Excellent - Refurbished. Listed at 149.60 USD. The Studio Plus+ premium isolation studio headphones handle the rigorous demands of professional stage and studio use with style and class. Making a bold statement with an uncompromising approach to performance and sound quality, the Studio Plus+ noise-isolating headphones feature a lightweight, foldable design for comfort and convenience. New High Precision Audio (HPA) drivers result in improved fidelity and audio quality. Detachable premium cables enable greater mobility and aircraft-grade aluminum cable grommets lead to superior stability and super quiet operation. A 3' cable extension with patented 90°, 1/8" gold-plated stereo plug and 8’ armored mesh cable extension with 1/8" stereo plug and 1/4" gold-plated screw-on adapter helps ensure professional performance in any environment.