Closed, circumaural design for excellent passive attenuation of ambient noise (up to 32 dB) ^^
Total harmonic distortion: < 0, 1% (1 kHz, 100dB SPL). Exceptionally lightweight and comfortable for extended listening. Built-tough with a 2 YEAR warranty! Compatible (listen only) with latest generation of tablets ^^ Replaceable single-sided, coiled cable with 1/8 inch ( 3.5 mm) jack connector and screw type 1/4"" adapter. Earphones ^^ Reduced comb filter effects and distortion due to E. A. R. (Ergonomic Acoustic Refinement) and Duofol diaphragms. Replaceable earpads (part # 523310). Includes slimline carrying case, Frequency response- 8 - 27000 Hz ^^
Impedance: 54 Ohm ^^
Connectivity technology: Wired ^^ Extended frequency response for accurate, reliable sound reproduction. ^^ Increased sound pressure level (110db) to handle demanding use. ^^ Exceptional comfort for extended listening. ^^ Carrying case included for engineers on the go. ^^ Easily replaceable parts for long service life.