Roland RH-300V are Ear-Cup (Over the Ear) Headband headphones that deliver great listening experience. The frequency range covered by the model is 10 Hz - 22 kHz. With 32 ohms impedance level and 103 dB sensitivity, this pair of black/silver headphones produces authentic sound. In addition, the wired model comes with a cord which is 8.5 ft long. The headphones weigh 11 oz.