-High performance Balanced Armature drivers are precision matched to within 1 dB -Specially designed for uncompromising accuracy in the mid to high frequencies with a bit of extra presence in the lower end -Sleek, anodized, laser etched aluminum body and braided, reinforced detachable 5 ft. Cables with custom MMCX connectors -35-42 dB of noise isolation with a max output of 122 dB -Impedance (@1kHz) 4XR (45 ohms) 4SR (45 ohms) -Connectivity Technology: Wired -Included Components: Headphones, Case, Tip Pack, Manual