The AKG MK HS Studio D cable is a 3pin XLR male & 1/4" TRS jack interconnector cable for the AKG HSD171 and AKG HSD271 professional closed-back headsets. This detachable cable is suitable for all AKG HSD headsets including their studio, moderator, and commentator headsets. The cable features a 6-pin mini XLR connector on one end that connects to AKG HSD Headsets, and a 6.3mm (1/4") stereo jack and three-pin XLR male on the other end. No phantom powering required.