Audio & Video Cables & Adapters
Neutrik NA3 FMX Phasendreher Adapter
Neutrik NA3 FMX, Rotator Adapter, XLR (male) to XLR (female)
https://www.bizrate.co.uk/audio_videocables_adapters/neutrik-na3-fmx-phasendreher-adapter-oid358904195.html