Astell&Kern AKR03 Special Edition JH Audio Roxanne Earphones with Gold Plated Smartphone Conversion Cable

Product Features: Astell and Kern AKR03 is the special edition JH Audio Roxanne, especially tuned by Jerry Harvey for the the AK240 Made from gorgeous Carbon Fiber Equipped with soundrIVe Technology: Mini triple quad drivers mean 12 drivers per channel FewqPhase Technology allows you to control the phase of each band & reproduces sound that the artist wanted to convey User adjustable bass output up to +15dB 4-pin cable connection with machined aluminum locking collar Includes the 2.5mm 4pole TRRS balanced output cable for the AK240 Comes in machined billet aluminum carrying case Product Specifications: Material: Carbon Fiber Driver Type: Custom-made Balanced Armature Mini Quad Drivers (12 drivers per channel) Frequency Response: 10Hz to 23kHz Input Sensitivity: 119dB at 1mW Impedance: 15 Ohms Sound Insulation: -26dB