LCD-5s is the updated new Flagship Open-Back Planar-Magnetic headphone from Audeze, featuring SLAM technology. Be sure to pair it with a top of the line amp like our HeadAmp CFA3 to hear LCD-5s at its best! What's New Incorporating the latest technical advancements, the new LCD-5s rewards listeners with a vast, immersive soundscape and palpably physical bass response. A new driver design combines with SLAM technology to produce mastering-grade precision even better than the original LCD-5, with a more natural, lifelike frequency response. Redesigned earpads are precisely sculpted to ensure long-term comfort and improved seal. Features SLAM Technology Fully re-designed earpads for seal and comfort. Specs Transducer TypePlanar Magnetic Headphone StyleOver-ear, open-back Max Power Handling5W RMS Minimum power requirement >100mW Recommended Power Level >500mW Max SPL >130dB Frequency Response5Hz to 50kHz Weight475g The Drivers Magnetic structureFluxor magnet array Phase managementFazor Magnet typeNeodymium N50 Diaphragm typeNano-Scale Parallel Uniforce Transducer size90mm Sensitivity90 dB/1mW Impedance30 ohms THD