AKG K81 DJ Headphones Product Information Product Description Technical Specs Semi-professional DJs need dependable equipment. The K 81 DJ fit their bill perfectly. Their closed-back earphones, for instance, provide optimum isolation from ambient noise. The K 81 DJ will take heavy usage easily, and their high SPL capability ensures excellent sound quality. Finally, their level of wearing comfort is as impressive as their powerful low end and accurate imaging. Features On-ear for highest possible noise attenuation Closed-back design for quick position change and thin fold-down 3D-Axis professional folding mechanism headphones High SPL capability