Sennheiser HD 380 PRO Headphones Closed, circumaural design for excellent passive attenuation of ambient noise (up to 32 dB) Total harmonic distortion:&lt; 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 (3.5mm) 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.