Get long-term comfort and superior sound quality with these Premium Hi-Fi Over-The-Ear Headphones from Monoprice, These headphones use a single 50mm woofer and three 13mm tweeters in each earpiece to deliver superb sound quality across the entire musical spectrum, They feature a frequency response range of 20Hz to 20KHz and a 114dB sensitivity, so you will hear every note with clarity and as much volume as you can handle, They also have angle-adjustable earpads and an adjustable headband for maximum long-term comfort, A cable with an inline microphone and a basic single-button control module, which allows you to control music playback and answer phone calls, is included, A PC adapter cable is also included for voice communications online, Whether you are taking an important business call or enjoying your favorite music, this headset has what you need, , Drivers - 2x 50mm woofers, 6x 13mm tweeters, Woofer Impedance - 50 ohms, Tweeter Impedance - 32 ohms, Frequency Response - 20Hz - 20KHz plus or minus 3dB, Sensitivity - 114dB plus or minus 3dB, Distortion - Greater than 0, 2 percent THD, Operating Temperature - plus 14 - plus 122 degree F minus 10 - plus 50 degree C, Net Weight - about 7, 4oz, Dimension - 11, 5 x 8, 6 x 4 in, Item weight - 1, 84 lb SKU: MNPR105