Etymotic Research Extended Response Precision Matched In-Ear Earphones (Detachable Balanced Armature Drivers, Noise Isolating, High Fidelity, World Leader Response Accuracy) , Black , Standard

Etymotic Research ER4XR Extended range in-ear monitors Features: * 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