Audeze’s iSINE are billed as the world’s first in-ear planar magnetic headphones, engineered for audio enthusiasts and travelers looking for great sound in a comfortable, portable headphone. Miniaturizing planar magnetic drivers is no small feat. The new iSINE, barely weighing 20 grams, contains Audeze’s patented technology. The distortion (THD) is less than 0.1 percent overall, even at high volumes. The iSINE10 incorporates Fluxor Magnets and large 30mm planar magnetic diaphragms that deliver precise control and fast response times without distortion. The iSINE20 features an even longer Uniforce voice-coil that covers the ultra-thin diaphragms to a greater extent, enabling better control and responsiveness for enhanced bass, clarity, and improved imaging.