Authorized Dealer. HE-R10Planar Version• HIFIMAN first developed its closed-back planar headphones in 2012• After several attempts to develop a closed-back headphone worthy of the HIFIMAN name, the company turned its attention to open-back planar headphones that quickly became some of the most successful products on the market• In 2018, the company returned to the development of closed-back models, leading to a design breakthrough the following year.The wooden ear cup's large internal space brings sufficientvolume and "breathing room” to the powerful driver.True nanometer thickness diaphragmSub-micro thickness coatingNano-thickness diaphragmCablesThe HE-R10P package includes three detachable cables with three different jacks: one cable with a 3.5mm jack, one cable with XLR balanced jack, and one cable with a 1/4" (6.35mm) jack.3.5mm/ 1.5mXLR balanced/ 3m1/4" (6.35mm)/ 3mInput OptionsWiredTraditional wired 3.5mm inputWith a 3.5mm to 6.35mm connectorUSBUSB DAC via USB-C cableHE-R10 PlanarHeadphone Specs:Frequency Response: 10-60kHzImpedance: 30ΩSensitivity: 100dBWeight: 460gSocket: 3.5mm Balance Output