Special Edition Sennheiser HD 25-SE DJ Headphones Includes Exclusive Carry Case and Velour Ear Pads Indispensable for mobile monitoring: based on the legendary lightweight and comfortable DJ headphones, but with comfortable ear pads High maximum sound pressure level - ideal for professional and personal use: Excellent passive noise reduction and high sensitivity, and the option to use for single sided on-ear (supra-aural) 70 ohm nominal impedance for universal compatibility with all sources and split headband for secure placement on the head Broad frequency response range (Headphones): 16 - 22000 Hz; total harmonic distortion <0,3% Rotatable capsule for single ear listening High sensitivity due to lightweight aluminium voice coils Capable of handling very high sound pressure levels Very lightweight and comfortable, even if used for long periods of time Tough, detachable, single sided cables