Hifiman Sundara Closed-Back Planar Magnetic Headphones headphone 6.3mm or underwater with the NW-WS623

or underwater with the NW-WS623 4GB Waterproof & Dustproof Walkman with Bluetooth from Sony

incorporating solid construction and reliable protection into a design that can help make your headphones last longer and make your life easier

With its CSR BT chipset

Output impedance: 1 Ohm

ARM Pipe Material

Hifiman Sundara Closed-Back Planar Magnetic Headphones headphone 6.3mm or underwater with the NW-WS623Sundara Closed Back Huge soundstage as offered by the open planar headphones Stealth Magnets Design NEO Supernano Diaphragm Closed back The heritage of HIFIMAN's classic Sundara with a new closed back design Acoustically Invisible Stealth Magnet Compared with the rectangular shaped magnets of traditional planar headphones, Stealth Magnet significantly reduce reflections and diffraction that are detrimental to sound quality, resulting in dramatically