Hand built in Brooklyn by Grado Labs, the Music Series headphones—including models One (original and 2009 model as tested), Two, and Three—feature voice coils that are wound from ultra-high-purity, oxygen-free copper for clear sound transmission and lowest possible coloration. They also employ high-power neodymium magnets to give a cleaner and more dynamic sound. The Series One phones on review here ($110 street) are lightweight and have slider-adjustable foam pads that press comfortably against the ears. An important element of these passive phones is their use of a vented polymer diaphragm with a large air chamber in order to reduce distortion of the diaphragm, while also extending bass response. The result is a full 20kHz bandwidth without any noticeable distortion at lower frequencies. I’ve used the Series One phones for everything from casual listening to critical analysis of recorded material, and they get high marks for their excellent clarity and stereo presentation. Factor in their ability to maintain an open and linear sound at any volume, and it’s no wonder that Music Series phones are endorsed by artists such as Eric Johnson, John Mayer, Lenny Kravitz and Warren Haynes.
Kudos Ultra clear sound.