Made specifically for Blackmagic Design Pocket Cinema Camera. A-Box (Pocket, BMMCC, BMMSC) adapts two industry standard XLR male plugs to one right angle 3.5mm stereo plug. Highest quality professional grade connectors. Comes with free Bolt On 19mm Rod for attaching to any 1/4-20 threaded hole and 15mm Adapter Bushing for clamping to 15mm rods. This adapter does not provide phantom power.