Hi! We are a group of enthusiastic audiophiles who have been professionally developing high-quality headphones and Hi-End components for many years. Introducing the innovative, planar, in-ear Paradoxum Global Sound (PGS) headphones. Our closed-back headphones have three compensation holes to create a wider soundstage. Like a musical instrument, PGS Headphones combine natural rosewood with state of the art materials like carbon fiber and aluminum to maximize the sonic environment created by the PGS's 12 mm neodymium planar drivers, each boasting effective frequency range of 20Hz-25kHz, a sensitivity of 97dB, and an impedance of 10 ohms allowing it to get quite loud even if the source signal lacks power. Also, these headphones are equipped with "mmcx" connectors which are ideal for high fidelity listening for hours on end. PGS Headphones are designed to bring you enjoyment for years, and you'll likely notice sonic artifacts and sounds within your favorite songs that you simply couldn't hear on anything else. So enjoy them, share them, just like a musical instrument, or music itself.