The AKG K712 PRO over-ear headphones are lightweight and super comfortable for long-wearing comfort when listening, mixing and mastering audio. From the Manufacturer: The K712 PROs are reference, open, over-ear headphones for precise listening, mixing and mastering. The over-ear design guarantees maximum wearing comfort for fatigue-free mixing and mastering, while providing spacious and airy sound without any compromise. Their precise powerful sound results from improved low-end performance by 3dB. These headphones have a genuine soft leather headband for a lightweight and comfortable fit. Their carefully selected transducers provide consistency and accurate localization. The K712 PROs come with a professional mini XLR connector for quick replacement of the cable. Also included is an additional coiled cable and a premium carrying bag. Features: Over-ear design: Maximum wearing comfort for long work sessions Sophisticated open technology: For spacious and airy sound without compromise Improved low-end performance by 3dB: For more powerful sound imaging Revolutionary flat wire voice coil: For incredible impulse and treble response Specifications: Audio frequency bandwidth (Hz): 10 - 39800 Cable(s) length (m): 3 & 3 Maximum input power (mW): 200 Rated impedance (Ω): 62 Sensitivity (dB SPL/V @ 1 kHz): 105 Audio Specifications Audio frequency bandwidth: 10 - 39800 Hz Maximum input power: 200 mW Dimensions Weight (g): 235 Weight (oz): 8.3 Audio Interface Type: Stereo plug – 3.5mm (1/8-inch) with 6.3 mm (1/4”) screw-on adapter Gender: Male Contacts: 3-pin Interface finish: Gold Wearing Style: Over-ear Application: Studio Mixing Hi-Fi Listening Features Cup Style: Open Detachable cable: Yes Over-ear: Yes Foldable: No Replaceable Earpads: Yes Open: Yes