Hifiman Sundara Planar Magnetic Headphones are an engineering marvel that redefines audio excellence. Designed for audiophiles and music enthusiasts seeking uncompromised sound quality, the Sundara combines cutting-edge technology with precision craftsmanship to deliver an immersive listening experience. Our Take: The HiFiMAN Sundara Open-Back Planar Magnetic Headphones are possibly the best value in high-end headphones available right now. Not only do they outclass just about everything in its price bracket for detail retrieval, they also compete with much higher-priced headphones. The Sundara have a slightly treble-focused tonality, however it's also smooth and non-fatiguing. The bass is tight and well-defined, rolling off slightly in the sub-bass.  The Sundara's planar magnetic drivers use ultra-thin diaphragm to deliver low distortion and high sensitivity, so they can be used with a wide range of of different sources. They guarantee fast transient response and excellent planar bass from 6 hz to 75 hz. Not only do the Sundara sound absolutely magnificent, they are comfortable as well. Weighing in at 372 grams with its aluminum build, the HiFiMAN Sundara is barely noticeable on your head and the headband design allows for even weight distribution across the board. Planar Magnetic Technology for Superior Sound The Sundara boasts advanced Planar Magnetic technology that sets it apart from conventional headphones. The ultra-thin diaphragm, driven by a powerful magnetic array, ensures accurate sound reproduction across the entire frequency spectrum. This technology eliminates distortion and delivers crystal-clear sound with impressive clarity, making every note and detail come to life. Unmatched Soundstage and Detail Retrieval Experience an expansive soundstage that places you in the heart of the music. The Sundara's Planar Magnetic drivers deliver unparalleled spatial imaging, allowing you to discern the position of each instrument with remarkable accuracy. Whether you're listening to classical compositions or modern rock, the Sundara excels in detail retrieval, providing a dynamic and engaging sonic experience. Ergonomic Design for Comfort and Isolation The Sundara's design marries comfort with functionality. The lightweight headband and plush ear pads provide hours of fatigue-free listening, making it perfect for extended sessions. Its open-back design not only enhances soundstage but also minimizes sound reflection, resulting in improved sonic purity and reduced resonance for an unadulterated audio experience. Technical Specifications Frequency Response: 6Hz - 75kHz Sensitivity: 94dB Impedance: 37 Ohms Diaphragm: Ultra-thin Planar Magnetic Weight: 372g (13.12oz) Cable: 1.5m (4.9ft) detachable cable Unleash the Audiophile Within Elevate your auditory journey with the Hifiman Sundara Planar Magnetic Headphones, available at Headphones.com. Designed to captivate your senses with accurate sound reproduction, expansive soundstage, and ergonomic comfort, the Sundara is the embodiment of Hifiman's commitment to sonic excellence.