HiFi Man Sundara Headphones\n\nHiFi Man Sundara Headphones offers an all-new innovative headband design for an accurate fit and increased comfort as well as a full aluminium ear enclosure. All of this lends to the unheard of value in this great new Planar Design. \n\nHiFi Man Sundara Headphones offers an all-new innovative headband design for an accurate fit and increased comfort as well as a full aluminium ear enclosure. All of this lends to the unheard of value in this great new Planar Design.\n\nSundara is tonally lush while rendering more detailed than ever before. The newly developed diaphragm planar driver is 80% thinner than previous designs like the HE400 Series resulting in wider frequency response and increased dynamic range, faster and more detailed than ever before.\n\nSpecifications:\n\n--Freq Response: 6Hz-75kHz\n--Impedance: 37 ohms\n--Sensitivity: 94dB\n--Weight: 372g\nThe all new beautiful and innovative headband design provides for an accurate fit and increased comfy