Specification AmplifierType : Solid State Brand : Douk Audio BulletPoint1 : Multiple audio inputs and outputs: Support Bluetooth/Balanced XLR/RCA input, compatible with most audio sources such as mobile phones, tablets, TV, CD players, etc. With balanced XLR/RCA/3.5mm headphone jack output, you can connect amplifiers/active speakers/headphones, maintain high-quality lossless audio transmission, and enjoy HiFi sound quality. BulletPoint2 : Noiseless JAN5725W tubes: Equipped with two 5725 vacuum tubes, filter digital sense of sound, effectively improve sound quality, output soft and sweet sound; pluggable tube socket design, can be replaced by 6J1, 6K4, 5654, 6AK5, EF95, 403B, etc to enjoy tube sound of different styles. BulletPoint3 : Powerful OLED screen display: Intuitively displays Bluetooth connection status/ device volume / EQ sound effects, etc., to let you know the working status at any time; besides, a variety of EQ sound effects are available, which is highly playable and adds a lot of fun. BulletPoint4 : High-performance chip: Using QCC5125 Bluetooth module, supporting LDAC 96kHz/24Bit, high transmission and low latency; using CS4344 decoding chip, richer audio details, and wider dynamic range, ensuring better performance. BulletPoint5 : Perfect design of appearance and function: Silver-gray body with orange tubes, the overall appearance is exquisite, and the size is just right to decorate your desktop. Modern OLED display screen and a full-featured remote control, convenient and easy to use, suitable for audiophiles. Color : Black CompatibleDevices : Guitar ConnectorType1 : RCA ConnectorType2 : 3.5mm Jack ExternallyAssignedProductIdentifier1 : 9120071658601 ExternallyAssignedProductIdentifier2 : 09120071658601 IncludedComponents : Owner's Manual IncludedComponents1 : 1*H8 Preamp IncludedComponents2 : 2*JAN5725W Tube IncludedComponents3 : 1*DC 12V Power Adapter IncludedComponents4 : 1*Bluetooth Antenna IncludedComponents5 : 1*Remote Control InterfaceType1 : Coaxial InterfaceType2 : USB ItemName : Douk Audio HiFi Tube Bluetooth Preamp Receiver Balanced XLR/RCA Pre-Amplifier Headphone Amp (H8) ItemPackageDimensions_Height : 30.4038 centimeters ItemPackageDimensions_Length : 7.493 centimeters ItemPackageDimensions_Width : 23.2918 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : audio-component-preamplifiers Manufacturer : Douk Audio Material : Aluminium/Metal MaximumSupplyVoltage : 5 volts MinimumSupplyVoltage : 4.5 volts_of_direct_current ModelName : Pre Box S2 ModelNumber : ASHATA15uphnytgo-11 MountingType : Wall Mount NumberOfBands : 3 NumberOfBoxes : 1 NumberOfChannels : 2 NumberOfItems : 1 NumberOfPins : 5 OutputChannelQuantity : 2 OutputWattage : 1 watts PartNumber : ASHATA15uphnytgo-11 PowerSourceType : Corded Electric ProductDescription : 3.5mm headphone jack output is prior, which means stereo RCA and XLR output will auto disconnect when headphone is inserted.
Parameters Chips: QCC5125 (Bluetooth chip) + CS4344 (DAC chip) Tubes: 2*JAN5725W Audio Input: Bluetooth / Balanced XLR / Stereo RCA Audio Output: Balanced XLR/Stereo RCA / 3.5mm headphone jack Bluetooth version: 5.0 (support LDAC 96khz/24Bit) RCA maximum output amplitude: 2V BAL maximum output amplitude: 4V Headphone output power: 120mW (32Ω) Headphone impedance range: 16-300Ω Distortion: 0.05% SNR: ≥103dB Working voltage: DC 12V Input Sensitivity: 1Vrms Frequency response: 20Hz-20KHz (±1dB) Dimensions (W*D*H): 126*167*42mm / 4.96*6.57*1.65in Package dimensions (W*D*H): 310*240*70mm / 12.20*9.45*2.76in Net weight: 665g / 1.47lb Package weight: 1.0kg / 2.20lb
Packing list 1*H8 Preamp 2*JAN5725W Tube 1*DC 12V Power Adapter 1*Bluetooth Antenna 1*Remote Control