The Audeze LCD-2 headphones, are an open-back design ideal for mastering, mixing and general studio applications. The LCD-2’s are for the audiophiles, and those in need of the ultimate in sonic transparency and comfort for long hours of listening. The LCD-2’s are handcrafted in the USA. All the components are acoustically and aesthetically matched, ensuring no design element is ignored. The LCD-2 headphones from Audeze have a frequency response from 5Hz - 20 000 kHz, and output impedance of 70 ohms.