The HFI-780 headphones from Ultrasone provide crystal clear audio in a compact and comfortable package. Developed from the studio sector, the HFI-780 has a frequency response that's specially tuned for DVD and gaming, making these the perfect headphones for the home theater or video game enthusiast. Highly-efficient gold-plated 40mm drivers put you right into the middle of your movie or video game experience. The headphones feature S-Logic Plus, an advancement to Ultrasone's S-Logic Natural Surround Sound technology that provides the same realistic, spacial audio soundstage in a more streamlined earcup. This technology also creates a reduction of sound pressure levels, giving you the same perceived loudness at lower volumes, which may help to reduce the risk of hearing damage. In addition to being able to listen at safer volume levels, the HFI-780 offers reduced electromagnetic emissions. The ULE technology uses an MU metal bufferboard to reduce radiation by up to 98% compared to standard headphones . For professionals who spend a lot of time wearing headphones, this is a fantastic feature. FeaturesFolding DesignS-Logic Natural Surround Sound PlusULE TechnologyMU Metal BufferboardFoldable, Comfortable DesignThe headphones conveniently fold up for storage in the included bag. The adjustable headband and cushioned earcups provide long-lasting comfort. Fantastic Sound QualityThe gold-plated 40mm drivers provide clear sound with a wide frequency response that's ideal for playing movies or video games. Realistic SoundscapeS-Logic Plus is an advancement of the S-Logic Natural Surround Sound technology, and provides the same realistic, three-dimensional soundscape in a slimmer earcup. Safer ListeningThe S-Logic technology produces the same perceived loudness at reduced sound pressure levels, allowing you to set the volume on your music player at a lower level, possibly reducing the risk of hearing damage. Reduced RadiationThe ultra-low emission (ULE) technology uses an MU metal bufferboard to reduce electromagnetic emissions by up to 98% compared to standard headphones. Wide CompatibilityThe gold-plated 3.5mm stereo plug and 1/4" adapter allow you to use the headphones with virtually any audio source. SpecificationsType: Closed-Back, Around-EarFrequency Range: 10Hz - 26kHzImpedance: 35 OhmsSensitivity: 96dBMaximum Input Power: Not Specified by ManufacturerConnectors: Gold-Plated 3.5mm Stereo Mini Plug with 1/4" AdapterCable Length: 9.8' (3m)Weight: 10 oz (285g)