Frequency Response 20 Hz - 20kHz</br>Sensitivity 96 dB/mW</br>8' oxygen-free copper cord</br>1/8" plug and 1/4" adapter</br>Compatible with all audio devices</br></br>Product Description</br></br>The Yamaha RH5MA Headphones are the perfect option for pro studio monitoring. These headphones have a semi-closed design and come with 1/4" and 1/8" jacks and an 8' cord. Frequency response is 20Hz to 20kHz. Impedance is 32 ohms.</br><br/>http://www.amazon.com/gp/product/B000YIF4I6