FeaturesTop quality sound element10-Click type headband assemblyNew low capacitance HiFC wide cableNew high quality synthetic leather earpads Custom made 2 axis 4 gang volume controlExtravagant non-magnetic aluminum alloy chassisComponents with little aging characteristics are hand selected for tonal quality and performanceStax SR-L500 SpecificationsType: Push-Pull Open Back Oval Electrostatic Earspeaker HeadphoneFrequency Range: 7-41,000Hz Capacitance, including cable: 110pF Impedance: 145k ohm (including cable, at 10kHz)Sound Pressure Level: