Fotodiox Pro, Sync Cable Adapter - F Phono Plug (3.5mm)- to Male Household (2 blade), for Speedotron, Elinchrom, Novatron Powerpack This all metal adapter adapts a sync cord ending in a Male Phono plug (3.5mm), to Male Household (2 blade) Phono plug of 3.5mm 24 Month Warranty