“ I bought these headphones on ebay back in 2008. These are the biggest headphones I've ever seen. I love the huge soundstage these headphones are capable of producing. The bass is awesome as well. It's like a pair of subwoofers strapped to your skull! Overall, I do like the sound of these headphones although they have a pretty annoying peak around 2kHz, but they smooth out with a little bit of...” --Trance88
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 ...