TRUE TO LIFE SOUND: Thanks to its incredible dynamic, nimble, neutral and transparent sound signature, the LCD-X is able to reveal even the most minute details of your mix with unparalleled accuracy. With its enormous sound stage and crystal clear midrange, you have a listening experience that really is "true to life". THE PROFESSIONAL: Many of the current hit recordings you've heard have been mixed on Audeze headphones - the headphone of choice for recording engineers, musicians and audiophiles alike. With an efficiency of 103dB/1Mw and an impedance of 20 ohms they are the perfect option for anyone seeking a reference quality headphone. PLANAR MAGNETIC DRIVERS: Large ultra-thin 106 mm diaphragms with Audeze's proprietary Fazor elements and double-sided magnetic arrays. Frequency response from 10Hz - 50kHz extended out to 50kHz.