“ Someone should be shot for this abomination. Only gave a half star because I couldn't give 0 ” --WiR3D
High-end offering from German headhpone company 'Manta' (manufactured by Calrad Imports Inc.*) in 1974. *Reference Needed 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 ...
The smaller diaphragm functions as the tweeter, while the larger diaphragm, that is position behind the smaller diaphragm functions as a woofer, similar to a 2-Way speaker.