"Powerful, over-ear studio headphonesDetailed and unmistakable studio sound by Mackie50 mm drivers of unsurpassed quality provide high overload protection and accurate reproduction across the entire frequency spectrumPrecision-tuned casing delivers powerful bass and detailed treblesA soft, cushioned, adjustable headband and comfortable ear pads provide an ergonomic fit for hours of comfort while providing optimal bass response and damping of outside noiseRobust and durable design meets all requirementsFolds for easy and space-saving storageIdeal for: recording and mixing in the studio, critical listening, personal listening and moreHigh-quality, removable and straight cable with lockable bayonet connectorCable length: 3 metresRotatable ear cupsIncludes: gold-plated 1/4"" adapter and carrying caseFrequency response: 8 Hz - 20 kHzImpedance: 32 ohmDriver: 50 mmSensitivity: 100 dBReplaceable ear padsWeight: 265 g/9.35 oz "