Ergonomically designed, Sony MDR-1R are Ear-Pad (On the Ear) Headband headphones, that deliver adequate listening experience. Furthermore, the frequency range covered by this model is 4 Hz - 80 kHz and with 48 ohms impedance level and 105 dB sensitivity, this pair of headphones produces authentic sound, being convenient even for the most demanding person. In addition, the wired model comes with a cord which is 1.2 meters long, ensuring accessability, portability and comfort.