“One of the speakers stopped working 4 months after purchase, then the MD2 were sent back to Italy and got repaired. After 3 weeks that speaker stopped working again. Could be the soldering issue, or my bad luck. They have worked for around 300 hours, and were stored in the case each time after use. Finally I returned the headphones and got a...” --NicoCat
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 ...