Specification AmplifierConnectorDescription : Single AudioOutputMode : Stereo Brand : Douk Audio BulletPoint1 : Authentic Vintage Sound Experience: Elevate your music listening with the Douk Audio T9, featuring two 6E2 vacuum tubes that offer a dynamic signal level display through the magic eye and two 6A2 tubes known for their warm, natural, and full-bodied sound. Enjoy the pure and bright color display with adjustable backlights in cold green or warm orange for an immersive audiovisual experience. BulletPoint2 : Versatile Input Options: The T9 preamp is designed to cater to a variety of audio sources. With both Phono (supporting both MM and MC cartridges) and RCA inputs, you can easily connect your turntable, phone, tablet, PC, or MP3 player. The preamp effortlessly converts phono signals to line level, ensuring clear and noiseless audio output. BulletPoint3 : High-Quality Headphone Output: The T9 includes a dedicated 3.5mm headphone jack with an independent headphone amplifier circuit, capable of driving headphones within the impedance range of 16-300Ω. Fine-tune your listening experience with the adjustable treble and bass controls for a more delicate and smooth sound with exhilarating highs and profound lows. BulletPoint4 : Sturdy and Elegant Design: Crafted with a robust all-metal case and CNC aluminum panel, the T9 not only offers superior shielding against external interference but also presents an attractive aesthetic. The solid knurled knobs and gold-plated I/O interfaces ensure a tight and smooth transmission of the original audio signal, minimizing signal loss and providing long-lasting durability. BulletPoint5 : Plug-and-Play with Ease: The T9's pluggable tube socket design allows for easy replacement with different tube types such as 6K4, EF93, 6BA6, W727, etc., giving you the flexibility to customize your sound signature and enjoy a variety of tube sounds. Included with your purchase is a DC12V power supply, comprehensive manual, and all necessary components for seamless setup and enjoyment. Color : Black CompatibleDevices : phones, computers, TVs, tablets, laptops, CD/DVDs, U-Disk and etc. CompatibleDevices1 : Record Player CompatibleDevices2 : MM MC Turntable CompatibleDevices3 : CD Player CompatibleDevices4 : PC CompatibleDevices5 : Amplifier ConnectivityTechnology : Aux ConnectivityTechnology1 : Bluetooth ConnectivityTechnology2 : Optical ConnectivityTechnology3 : USB ConnectorType1 : 3.5mm Jack ConnectorType2 : USB ConnectorType3 : RCA ControllerType : Remote Control ControlMethod : remote ExternallyAssignedProductIdentifier : 7454696395583 ExternallyAssignedProductIdentifier1 : 0703670741241 ExternallyAssignedProductIdentifier2 : 703670741241 ExternallyAssignedProductIdentifier3 : 0194852391543 ExternallyAssignedProductIdentifier4 : 0194852393370 FrequencyResponseCurve : 20Hz-20KHz (±0.5dB) Hazmat1 : LITHIUM METAL BATTERIES CONTAINED IN EQUIPMENT Hazmat10 : CN_SmallLithiumMetalBatteryInEquipment Hazmat11 : DE_SmallLithiumMetalBatteryInEquipment Hazmat12 : EG_SmallLithiumMetalBatteryInEquipment Hazmat13 : ES_SmallLithiumMetalBatteryInEquipment Hazmat14 : FR_SmallLithiumMetalBatteryInEquipment Hazmat15 : GB_SmallLithiumMetalBatteryInEquipment Hazmat16 : IE_SmallLithiumMetalBatteryInEquipment Hazmat17 : IN_SmallLithiumMetalBatteryInEquipment Hazmat18 : IT_SmallLithiumMetalBatteryInEquipment Hazmat19 : JP_SmallLithiumMetalBatteryInEquipment Hazmat2 : UN3091 Hazmat20 : MX_SmallLithiumMetalBatteryInEquipment Hazmat21 : NL_SmallLithiumMetalBatteryInEquipment Hazmat22 : PL_SmallLithiumMetalBatteryInEquipment Hazmat23 : SA_SmallLithiumMetalBatteryInEquipment Hazmat24 : SE_SmallLithiumMetalBatteryInEquipment Hazmat25 : SG_SmallLithiumMetalBatteryInEquipment Hazmat26 : TR_SmallLithiumMetalBatteryInEquipment Hazmat27 : US_SmallLithiumMetalBatteryInEquipment Hazmat28 : ZA_SmallLithiumMetalBatteryInEquipment Hazmat3 : II Hazmat4 : 9 Hazmat5 : AE_SmallLithiumMetalBatteryInEquipment Hazmat6 : AU_SmallLithiumMetalBatteryInEquipment Hazmat7 : BE_SmallLithiumMetalBatteryInEquipment Hazmat8 : BR_SmallLithiumMetalBatteryInEquipment Hazmat9 : CA_SmallLithiumMetalBatteryInEquipment IncludedComponents : amplifier board IncludedComponents1 : 1*T9 Preamp IncludedComponents2 : 2*6E2 Tube IncludedComponents3 : 2*6A2 Tube IncludedComponents4 : 1*DC12V Power Supply IncludedComponents5 : 1*Manual ItemName : Douk Audio T9 Vacuum Tube Phono Preamp Stereo Turntable Preamplifier with Headphone Output and Treble Bass Control for MM/MC Record Player, Home Hi-Fi Audio, Amplifier, Speaker ItemPackageDimensions_Height : 21.4 centimeters ItemPackageDimensions_Length : 9.7 centimeters ItemPackageDimensions_Width : 19 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : audio-component-preamplifiers Manufacturer : Douk Audio MaximumSupplyVoltage : 25 volts MinimumSupplyVoltage : 110 volts ModelName : SQC1 ModelNumber : T9 MountingType : Shelf Mount NumberOfChannels : 1 NumberOfItems : 1 OperatingTemperature : -65 degrees_celsius OutputPower : 60 watts OutputWattage : 0.25 watts PackageTypeName : Bulk Packaging PartNumber : XX-T9 ProductDescription : Warm Tips 1. The bias and gain of two 6E2 tubes are set well before shipping, please pay attention to the R/L channel markings on the tubes, don't insert them wrongly during installation. 2. 3.5mm headphone jack with priority, please make sure the headphone has been disconnected if you want RCA output. 3. Pluggable tube socket design, convenient to be replaced by 6K4, EF93, 6BA6, W727 etc. to enjoy tube sound of different styles. 4. T9 is a preamp not a power amplifier, needed to work with amplifiers or active speakers.