Wehrmacht 'Dfh.a' Headphone (Doppelfernhörer). The headphone is marked with 'Dfh.a' indicating 'Doppelfernhörer' model 'a'. The Dfh.a headphone is the standard type Wehrmacht headphone used with most radio types. The headphones are marked with '41' indicating production in 1941. The headphones are complete with their original wire and most likely replaced single plug. Nice piece of equipment in good used condition!