The younger brother of the K 181 DJ for all those who present great DJ-sound in a more compact frame: in clubs, on parties or simply at home with friends. Obviously, informal parties deserve the same kind of professional sound quality as large-scale events do. Semiprofessional DJs too need dependable equipment. The K 81 DJ fit the bill perfectly. Their closed-back earphones, for instance, provide optimum isolation from ambient noise. The K 81 DJ will take heavy usage easily, and their high SPL capability ensures excellent sound quality. Finally, their level of wearing comfort is as impressive as their powerful low end and accurate imaging.Their distinguishing features include:- 3D-Axis folding mechanism for ease of handling and good user comfort. Folded down into a thin package, the k 81 dj are ready for use anytime - High sound pressure level: High SPL capability for any type of event in any environment. Legendary AKG sound quality - Closed-back earphones: Isolating ear cups attenuate ambient noise, keeping even quiet passages clearly audible - Maximum ruggedness - Detented adjustable headband FEATURES:[ Efficiency: 115 dB/V [ Frequency range: 16 Hz to 24 kHz [ Rated impedance: 32 ohms [ Max. input power: 2,000 mW [ Cable: 99.99% oxygen-free cable, 2.5 m (8.2 ft.) [ Net weight (without cable): 150 g (5.3 oz.) [ Special features: 3D-Axis (folding mechanism)