Enjoy a comfortable listening experience with quality sound –even during long recording sessions– thanks to PreSonus’ high-definition HD7 headphones. These superb headphones take advantage of a patented, semi-open sound chamber to deliver exceptionally deep low frequencies with a balanced and yet powerful bass punch. And with their accurate midrange and extended treble response you'll be able to pick out the fine details of a mix or track.They feature a lightweight, ergonomic design that adjusts to any head size, so no matter if you’re monitoring, tracking, mixing, or just listening for pleasure, you can expect quality sonic performance and comfort from your HD7 professional grade headphones.FeaturesHigh resolution driversPrecision-tuned acoustic chamberExtended bass responseBuilt tough to withstand abuseAuto-fit head padsComfortable and long-lasting ear padsSingle-side cableOptimized pressureLightweightSpecificationsAcoustic Design: Dynamic, semi-openDriver: 50 mm, neodymiumFrequency Response: 10 Hz - 30 kHzSensitivity: 98 dB SPL (1 mW)Maximum Power: 300 mWRated Impedance: 32 ΩEarpad: LeatherWeight (without cable): 7.8 oz. (222 g)Cable: 8ft, 2" (2.5m) straight, single-sidedPlug Adapter: 1/8" to 1/4" (3.5 to 6.3 mm), screw-on, gold-plated, stereo mini-plug PreSonus HD7 High Definition, Semi-Open Professional Headphones.