KOSS QZ99 headphones

■Headphones■Closed type■Frequency response: 40-20,000Hz■Sensitivity: 102dB SPL/1mW■Impedance: 60Ω■Cord: Curled/2.4m■Plug: 6.4mm (standard)/3.5mm (mini)■Distortion rate: 0.3% or less■Weight: 420g■Passive noise reduction function includedProduct images include images of use. Please note that anything other than what is specified in the is not included.