Specification AgeRangeDescription : Adult AudioInput : TRS Brand : KGUSS BulletPoint : Arcam MusicBoost Headphone AMP/DAC Battery Pack Sleeve (Open Box) BulletPoint1 : TUBE-05 uses high specification tube 12AU7/ECC82,with strong tube sound warm and soft voice sound,full human voice. BulletPoint2 : Using the high-end chip NJM1194 of Japan JRC,the left and right channels have high balance and low distortion.With treble and bass adjustment function, enthusiasts can adjust EQ according to personal preference. BulletPoint3 : Customized high-performance transformer can effectively anti-interference and reduce bottom noise.The high-performance transistor performs IV conversion on the tube to ensure power output and without distortion. BulletPoint4 : It uses high-precision low-temperature resistance in the analog signal circulation circuit,It is selected from the enthusiast W--A(German We--ar)&NICHI--- (Japan Ni---con)for the coupling capacitor to make the enthusiast more HIFI. BulletPoint5 : TUBE-05 is more than it’s amazing features, it is exquisitely built as well. Follow the modern minimalism design, it’s crafted with simple elegant look with matte surface, made of aluminum alloy. You will truly explore the beauty of it when you hold it and enjoy HiFi music BulletPoint6 : Compact, Durable, and Stable :The portable headphone amplifier accompanying DC5V adapter provides power supply, ensuring stable and efficient power transmission while ensuring optimal safety. The appearance design is simple and elegant, using high-quality metal materials to build the body. It is not only sturdy and durable, but also effectively shields external electromagnetic interference, ensuring pure sound quality. The portable design is perfect for live performances, band practice, recording studios, podcasts, and streaming. Color : Black CompatibleDevices : Mobile Phones, Laptops, Desktops, Gaming Consoles (PS4, PS5), MAC CompatiblePhoneModels : iPhone 6 ConnectivityTechnology : Wired ControlMethod : remote EarpieceShape : Over-ear ExternallyAssignedProductIdentifier : 5060133602460 ExternallyAssignedProductIdentifier1 : 0743623188044 ExternallyAssignedProductIdentifier2 : 743623188044 FinishType : Textured Hazmat1 : LITHIUM ION BATTERIES PACKED WITH EQUIPMENT Hazmat10 : DE_SmallLithiumIonBatteryWithEquipment Hazmat11 : EG_SmallLithiumIonBatteryWithEquipment Hazmat12 : ES_SmallLithiumIonBatteryWithEquipment Hazmat13 : FR_SmallLithiumIonBatteryWithEquipment Hazmat14 : GB_SmallLithiumIonBatteryWithEquipment Hazmat15 : IE_SmallLithiumIonBatteryWithEquipment Hazmat16 : IN_SmallLithiumIonBatteryWithEquipment Hazmat17 : IT_SmallLithiumIonBatteryWithEquipment Hazmat18 : JP_SmallLithiumIonBatteryWithEquipment Hazmat19 : MX_SmallLithiumIonBatteryWithEquipment Hazmat2 : UN3481 Hazmat20 : NL_SmallLithiumIonBatteryWithEquipment Hazmat21 : PL_SmallLithiumIonBatteryWithEquipment Hazmat22 : SA_SmallLithiumIonBatteryWithEquipment Hazmat23 : SE_SmallLithiumIonBatteryWithEquipment Hazmat24 : SG_SmallLithiumIonBatteryWithEquipment Hazmat25 : TR_SmallLithiumIonBatteryWithEquipment Hazmat26 : US_SmallLithiumIonBatteryWithEquipment Hazmat27 : ZA_SmallLithiumIonBatteryWithEquipment Hazmat28 : 9 Hazmat3 : II Hazmat4 : AE_SmallLithiumIonBatteryWithEquipment Hazmat5 : AU_SmallLithiumIonBatteryWithEquipment Hazmat6 : BE_SmallLithiumIonBatteryWithEquipment Hazmat7 : BR_SmallLithiumIonBatteryWithEquipment Hazmat8 : CA_SmallLithiumIonBatteryWithEquipment Hazmat9 : CN_SmallLithiumIonBatteryWithEquipment HeadphonesEarPlacement : in_ear HeadphonesFormFactor : On Ear HeadphonesJack : 3.5 mm Jack Impedance : 600 ohm IncludedComponents1 : TUBE-05 IncludedComponents2 : Remote control IncludedComponents3 : AC Cable ItemName : FX-Audio- TUBE-05 HiFi Vacuum 12AU7/ECC82 Tube Headphone amp Bass Treble EQ Preamp, for 30-600Ω Headphone, with Remote Control ItemPackageDimensions_Height : 8.3 centimeters ItemPackageDimensions_Length : 19 centimeters ItemPackageDimensions_Width : 17.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : headphone-amps Manufacturer : FX-AUDIO- Material : Aluminum ModelName : headphone amplifier ModelNumber : FX-AUDIO TUBE-05 NoiseControl : passive_noise_cancellation NumberOfBoxes : 1 NumberOfChannels : 4 NumberOfItems : 1 OutputConnectorType : TRS PartNumber : FX-AUDIO TUBE-05 Pattern : Solid PowerSourceType : Corded Electric ProductDescription : TUBE-05 uses high specification tube 12AU7,with strong tube sound warm and soft voice sound,full human voice. ProductSiteLaunchDate : 2023-11-08T04:06:24.979Z Size : Small SpecificUsesForProduct : headphone amplifier Style : Headphone Amplifier 16-600Ω SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 Theme : No Theme UnitCount : 1 UnspscCode : 52161547 WarrantyDescription : 1 YEAR WARRANTY WaterResistanceLevel : not_water_resistant