High-end offering from German headhpone company 'Manta' (manufactured by Calrad Imports Inc.*) in 1974.
Impedance Rating in Ohms 4.0 minimum and 16.0 maximum
Frequency Response Range Hz 30.0 to 15000.0
Headset Cord Length 84.0 inches nominal
Earphone Element Type Dynamic
Earphone Cushion Material Plastic, vinyl
Furnished Items Ear cushion and volume control