Specification AgeRangeDescription : Adult AudioDriverType : balanced_armature_driver Brand : FiiO BulletPoint1 : [Get all frequencies, 6BA drivers]:The FA7S earphones is equipped with 6 balanced armature drivers, both the low frequency set and high frequency set of drivers are made by Knowles – resulting in greatly extended, robust, yet controlled bass as well as highly detailed, delicate treble. The mid-frequency driver is a custom unit exclusively made for FiiO, with lush vocals and an exceptionally pure, natural sound. BulletPoint2 : [Expertly separated, three-way crossover]: The headphones FA7S' expertly tuned three-way crossover, and separates them using the "2+2+2" method. Each frequency range takes two different drivers which are designed in an electronic and structural crossover system for precise cutting – thus resulting in a more realistic, balanced sound fully capable of rendering every last detail and emotion in your music, just as the artists intended. BulletPoint3 : [High quality silver-plated monocrystalline copper cable]: The FA7S headphones comes with a high-purity silver-plated monocrystalline wire cable –8 strands of 19 wires each for a total of 152 wires.The outer sheath of the cable is made from environmentally friendly TPU, with not only a gorgeous transparent black look but is also resistant against yellowing after long-term use and against stiffening when in low-temperature environments. BulletPoint4 : [Upgraded comfort with angled MMCX]: Every detail of the FA7S wired earphones cable has been optimized for your comfort and ease-of-use. The expanded angled MMCX connectors with left "blue" and right "red" indicators make it easy to connect and detach the FA7S, while the curve of the ear hook is based on scientific research to make it conform comfortably to your ears. With how comfortable the FA7S is, you will want to rock to every music note! BulletPoint5 : [Twist-lock swappable plugs,freely pick and choose]: The FA7S headphones features a twist-lock swappable plugs system. Choose between 3.5mm single-ended/2.5mm balanced/4.4mm balanced plugs to suit your music source. You get to choose how to enjoy your music! BulletPoint6 : Connector type: 3.5mm Jack Color : Silver CompatibleDevices1 : Car Audio Systems CompatibleDevices2 : Desktops CompatibleDevices3 : Gaming Consoles CompatibleDevices4 : Music Production Equipment ConnectivityTechnology : Wired ControlMethod : touch ControlType : Noise Control ExternallyAssignedProductIdentifier : 6953175740797 ExternallyAssignedProductIdentifier1 : 733649816762 ExternallyAssignedProductIdentifier2 : 0733649816762 FrequencyResponse : 10 KHz HardwarePlatform1 : PC HardwarePlatform2 : Smartphone Hazmat : 9 HeadphonesEarPlacement : in_ear HeadphonesFormFactor : In Ear HeadphonesJack : 3.5 mm Jack Impedance : 18 ohm IncludedComponents : Cable ItemName : FiiO FA7S Earphones Headphone Wired High Resolution Swappable Plugs MMCX 6BA in-Ear Monitor for Smartphone/PC(Silver) ItemPackageDimensions_Height : 24.3078 centimeters ItemPackageDimensions_Length : 7.8994 centimeters ItemPackageDimensions_Width : 22.5044 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : in-the-ear-headphones Manufacturer : FiiO Material : Stainless Steel ModelName : FA7S ModelNumber : 6953175740797 NumberOfItems : 1 PartNumber : 6953175740797 ProductDescription : FA7S wired headphones, a 6 Balanced Armature IEMs.Wearing style is belong to over-the-ear, the frequency response of FA7S earphones is 10-40kHz, and impedance is18Ω@1kHz, sensitivity is 111dB (1kHz@1mw), its max input power can up to 100mw. The color of this one is silver, and the FA7S is officially Hi-Res Audio certified, a testament to its ability to present rich musical details with superb sound quality. ProductSiteLaunchDate : 2021-10-14T01:52:50.562Z RecommendedUsesForProduct1 : Audio Monitoring RecommendedUsesForProduct2 : Exercising RecommendedUsesForProduct3 : Running Sensitivity : 111 decibels Size : 13.5x10.5x2.5cm SpecificUsesForProduct : Sports and Exercise SpecificUsesForProduct1 : Listening Music SpecificUsesForProduct2 : Playing Game SpecificUsesForProduct3 : Entertainment Style : Without Mic SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable Theme1 : Video Game Theme2 : High Resolution Theme3 : Home Audio Theme4 : Car Audio WarrantyDescription : 2 years