The DT 240 PRO was designed to meet the exacting demands of creative and professional users. The monitoring headphones are perfect for producers, podcasters and filmmakers who want to derive maximum audio quality from their equipment. The compact over-ear design makes the DT 240 PRO the perfect companion for on the go and offers true studio performance in every environment. Reliable sound for creative types. Features : - Circumaural, professional headphones in compact design - Powerful transducers to suit any studio and mobile application - True professional sound tuning for pure and precise reproduction - Superior isolation from background noise - Ergonomic headband and soft ear pads for hours of wearing comfort Headphone Specification : OPERATING PRINCIPLE : Closed TRANSMISSION TYPE : Wired REMOTE : Without Remote NOMINAL IMPEDANCE HEADPHONES : 34 ohms WEIGHT HEADPHONES WITHOUT CABLE : 196 g HEADPHONE FREQUENCY RESPONSE: 5 - 35.000 Hz NOMINAL SOUND PRESSURE LEVEL : 99 dB SOUND COUPLING TO THE EAR : Circumaural (around the ear) CABLE amp; PLUG : Stereo jack plug 3.5 mm (1/8 #34;) amp; adapter (6.35 mm)