Vintage Underwater Communication System WET PHONE Sound-Wave Systems 1970's
3x- U.S. DIVERS CO/ AQUA LUNG full face mask w/ mic setup. 1x- CMB-2 Dynamic Microphone Impendance: 5000 HM. 3x- Sound-Wave Systems WET PHONE w/o batteries. 1x- Sound-Wave Systems WET PHONE Surface Transducer w/o battery.