USB DAC & Tube Headphone AmplifierUSB DAC & Tube Headphone AmplifierUSB DAC DecodingCS43131 DAC ChipEnhanced sound quality thanks to two 6J1 tubesClass-A transistor amplifierGain switch for customized performanceLine-out as a preamplifierHigh-quality audio capacitorsIntegrated protection circuitUSB DAC & Tube Headphone AmplifierThe xDuoo MH-02 CS43131 USB DAC & Tube Headphone Amplifier combines the versatility of a USB DAC with the warmth of tube amplification, delivering an unparalleled listening experience.USB DAC DecodingExperience seamless connectivity thanks to support for USB decoding from computers, smartphones (iOS/Android), tablets, hi-fi players, and more. Enjoy high-fidelity audio with PCM up to 32-bit/384 kHz, DSD256, and MQA up to 32-bit/384 kHz from a wide range of devices.CS43131 DAC chipPowered by the renowned CS43131 DAC chip, the MH-02 ensures flawless audio playback with exceptional clarity and detail thanks to its extremely low noise and outstanding resolution.Enhanced Sound via Two 6J1 TubesThe two 6J1 tubes serve as a preamplifier and enrich your sound with the sweet and exquisite tonal character characteristic of tube amplification.Class-A Transistor AmplifierEquipped with transistors for Class-A buffering, the MH-02 delivers a robust output power of up to 1300 mW and effortlessly drives a wide variety of headphones.Gain Switch for Customized PerformanceCustomize your listening experience with a two-step gain switch to ensure perfect matching with headphones of varying impedances—for optimal audio output tailored to your preferences.Line output as a preampUse the tube- and volume-controlled line output as a preamp for audio amplifiers or active speakers and enhance sound quality with transparent and smooth tones.High-Quality Audio CapacitorsExperience a transparent and smooth sound with Japanese ELNA capacitors as coupling capacitors, while Japanese RUBYCON capacitors deliver soft and warm tones with excellent high frequencies.Integrated protection circuitEnjoy peace of mind thanks to the integrated relay mute circuit, which ensures a seamless transition when powering on the amplifier, protects the tubes from pop noises, and ensures optimal performance.Technical DetailsPower supply: DC 12 V/2 ASupported operating systems: Windows, Linux, macOS X, iOS, AndroidSupported sample rates: PCM 16–32 bit/44.1 kHz–384 kHz, DSD64–256Output power: 1300 mW (32 Ω load)Frequency response: 10 Hz–60 kHz (±0.5 dB)Gain: +12/18 dBTHD+N: ≤0.8% (1 kHz, 32 Ω load)Signal-to-noise ratio: 118 dBCrosstalk: ≥70 dBDimensions: 12 x 7.8 x 4.0 cmWeight: 0.35 kgPackage contents1 x xDuoo MH-02User manual

High-Performance Tube Headphone Amplifier500 mW output powerBalanced outputs (3.5 mm and 4.4 mm)6N8P and 6N5P tubesAlso functions as a preamplifierAudiophile-grade resistors and capacitorsGold-plated RCA connectorsAluminum alloy chassisAll-analog designThis 500-mW tube amplifier embraces minimalism where other amplifiers seem overloaded. Simple RCA inputs and outputs, a volume control, a single-ended output, and a balanced 4.4 mm output are all you need to experience the classic tube sound. Chrome-plated protective strips and aluminum grilles provide protection and an elegant retro look.What’s new in the “s” version?The TA-26s is the second version of the model and features a balanced 4.4-mm headphone jack as well as a power switch on the back.All in balanceConnect a balanced headphone cable to the 4.4-mm jack and enjoy a connection that is less prone to interference than typical single-ended cables.Warm tube soundMost modern transistor amplifiers reduce distortion below the human hearing threshold. Tube amplifiers, on the other hand, add distortion. So why would you want one? Many people love the quality of the distortion that tube amplifiers produce. They can slightly reduce the sharpness and extension of the highs and boost the mids and bass to achieve a warmer overall sound.Serves as a preamp as wellSpread that glorious tube sound. When you’ve had enough of headphones, connect the TA-26s to another amplifier or active speakers to enjoy the tube experience throughout the room.Tubes are making a comebackThis 500-mW tube amplifier embraces minimalism where other amplifiers seem overloaded. Simple RCA inputs and outputs, a volume control, a single-ended output, and a balanced 4.4-mm output are all you need to experience the classic tube sound. Chrome-plated protective strips and aluminum grilles provide protection and an elegant retro look.All analogYou’ll love swapping out the stock tube for different ones. Each tube has a different sonic character and adds or subtracts qualities like warmth, detail, and soundstage. It’s fun to experiment with the sound characteristics of a single amplifier—often for less than $30 per tube. Just be sure to find a reputable tube dealer before making a purchase.Technical SpecificationsPower Supply: AC 100–120 V / 220–240 VOutput power: 500 mW (600/300 Ω load)Frequency response: 10 Hz–30 kHz (± 0.5 dB)Gain: +16 dBSignal-to-noise ratio: 110 dBTotal harmonic distortion + noise: ≤0.1% (1 kHz)Recommended headphone impedance: 60 Ω to 600 ΩDimensions: 25 x 11 x 16 cmWeight: 3.9 kgPackage contents1 x xDuoo TA-26SUser manual

High-Performance Tube Preamplifier6N2 tube for the preamplifier6N5P tube for the bufferStep-by-step potentiometerLine-out as a preamplifierProfessional-grade resistors and capacitorsPoint-to-point wiring for authentic soundAluminum alloy chassis with sandblasted finish6N2 tube for preampDelivers a smooth and exquisite sound through the use of the 6N2 tube in the preamp stage.6N5P tube for bufferSmooths and refines the sound through the use of the 6N5P tube in the buffer stage.Step potentiometerEliminates the problem of volume imbalance with a step potentiometer, ensuring balanced volume levels.Line output as a preamplifierFeatures a line output that functions as a preamplifier for various audio amplifiers or active speakers using the tube and volume control, thereby improving sound quality.Professional Resistors and CapacitorsUses xDuoo custom-made metal-polyester film capacitors as coupling capacitors for the tube output, ensuring professional-grade audio performance.Point-to-point wiring for authentic soundUses point-to-point soldering with copper wires to construct the tube circuitry. This method minimizes wiring paths, reduces interference, and ensures a clean circuit, resulting in authentic sound reproduction that remains true to the characteristics of vacuum tubes.Aluminum alloy chassis with sandblasted finishFeatures a high-quality, sandblasted finish and a robust aluminum alloy chassis that is both aesthetically pleasing and provides effective protection against external interference.Technical DetailsPower supply: AC 110 V (100–120 V) / 220 V (220–240 V)Output power: 200 mW (300 Ω load)Headphone jack: 6.35 mmFrequency range: 10 Hz to 30 kHz (+1 dB)Gain: +18 dBTHD+N: 0.08% (1 kHz at 300 Ω load)Signal-to-noise ratio: 107 dBRecommended headphone impedance: 60 Ω to 600 ΩDimensions: 29.0 x 15.3 x 18.4 cm (L x W x H)Weight: 5.0 kgPackage contents1 x xDuoo TA-66User manual

Hi-Res Music PlayerNative DSD128 PlaybackMastering-Grade Sound QualitySupports a Wide Range of Music FormatsEQ SettingsOffers Massive Storage Capacity for Lossless FilesNative DSD128 Playback and Direct DecodingThe X2S player supports up to PCM 24-bit/192 kHz as well as music in the lossless DSD128-HD format. Its design decodes the signal within the CPU while eliminating the DOP connection, which significantly reduces loss of sound quality and enables true native music playback.It supports the common formats DFF, DSF, DSD, APE, FLAC, ALAC, WAV, AIFF, AAC, MP3, and WMAMasterful sound quality, 4K picture quality, music enjoymentWith maximum support for PCM 24-bit/192 kHz, the professional audio chip ensures high-fidelity restoration of the music signal—comparable to a 4K HD image versus a 720p image, which is clearer and more complete. Enjoy the extraordinary experience of true sound and experience authentic master-quality audio.Space for massive, lossless librariesSupports TF/Micro SD cards up to 128 GB. You can store more than 3,000 WAV or 6,000 FLAC/APE tracks in lossless quality—with a playback time of 4 minutes per track, that’s 24,000 minutes without repeats. Enjoy the wonderful feeling of music.Powerful Driver & HD OLED ScreenThe buffer amplifier circuit uses a rail-to-rail amplifier chip with a powerful driver that can easily drive many types of high-fidelity headphones and enable unlimited music playback. 0.96-inch OLED screen on the compact housing, small size, and low power consumptionSmall and exquisite, easily usable for any sportWhether at the gym or traveling—thanks to its size, which is just that of a matchbox, and a weight of 50 g, it can be carried effortlessly and without burden, allowing you to enjoy great music. The aluminum alloy housing is sandblasted and feels fine and smooth in the hand without leaving fingerprints.EQ AdjustmentDynamic 6-band adjustment with a gain range of +/-12 dB, allowing you to fine-tune each music frequency band, thereby compensating for the weaknesses in the headphone’s frequency response and better tailoring the music to your listening preferences.Technical SpecificationsPower supply: built-in 3.7 V/800 mAh battery.Charging specifications: 5 V/1 A.Card support: Supports up to 128 GB TF/Micro-SD card.Output power: 250 mW (32 Ω load)Supported formats:DSD: DSD64–DSD128 (DFF, DSF)APE: 16–24-bit/44.1–96 kHzFLAC: 16–24-bit/44.1–192 kHzWAV: 16–24-bit/44.1–192 kHzAIFF: 16–24-bit/44.1–192 kHzWMA, MP3, AAC, OGG.Frequency response: 20 Hz ~ 20 kHzGain: +6 dB.THD+N 0.003% (1 kHz)Signal-to-noise ratio: 108 dBHeadphone impedance range: 16 Ω ~ 300 ΩBattery life: > 10 hours.Charging time: < 2 hours.Dimensions: 6.3 x 4.0 x 1.5 cm.Weight: 50 gPackage contents1x xDuoo X2S1x User manual

ES9039SPRO Hi-Res Chip DAC/AmplifierES9039SPRO Hi-Res Chip930 mW output power in desktop-qualityDAC module with outstanding sound qualityFlagship DAC card BD34301EKVEnhanced analog warmthDelivers up to 2000 mW of powerES9039SPRO Hi-Res ChipExperience the essence of sound with ESS’s 4th-generation 8-channel D/A chip, the ES9039SPRO. With a signal-to-noise ratio of up to 140 dB, this advanced chip offers superior decoding capabilities. The ES9039SPRO’s impressive SNR not only elevates signal purity to an unprecedented level but also expands the dynamic range, capturing even the finest sonic nuances with precision. This exceptional performance unlocks a new listening experience where every note, every instrument, and every subtle nuance comes to life with remarkable clarity. By utilizing the high-resolution ES9039SPRO DAC chip with an output power of up to 930 mW (at 300 Ω load), deep resonance is achieved in high-impedance headphones, ensuring precise control. When you immerse yourself in expansive classical symphonies, complex musical details and precise instrument placement blend seamlessly into a breathtakingly immersive experience, as if you were transported right into the heart of the live performance.930 mW desktop-grade output powerFor flagship headphones with impedances of 300 Ω and 600 Ω, this amplifier delivers an impressive output power of 930 mW and 510 mW, respectively. This not only ensures optimal performance for flagship headphones but also meets the high power requirements necessary for an excellent listening experience.DAC module with outstanding sound qualityExperience a versatile world of sound thanks to our modular DAC/OP design, which enables the seamless integration of flagship DACs and high-end operational amplifier chips. Create diverse audio profiles tailored to your preferences. Our modular DAC setup ensures a consistently advanced hardware configuration and delivers exceptional audio quality across all genres.Flagship DAC Card BD34301EKVThe unique focus of this BD34301EKV DAC card on enhancing the midrange ensures that every vocal note is reproduced with remarkable clarity and warmth. Whether it’s the subtlest nuances or sweeping crescendos, the BD34301EKV DAC card faithfully reproduces the delicate and gentle nuances of vocal performances, capturing the true essence of the artist’s emotions. Its special design focuses on optimizing the midrange, resulting in a musical experience that is refreshingly lively and emotionally captivating.Enhanced analog warmth in sound qualityBy integrating transistors into a Class-A buffer circuit, our design achieves a remarkable output power of up to 2000 mW (32 Ω load). This high-current output is specifically tailored to drive low-impedance headphones, ensuring an acoustically warm and fatigue-free sound. Combined with the linear HIFI DC12V power supply, a seamless transition to desktop mode is possible, resulting in extremely low distortion.Up to 2000 mW powerWith an output power of up to 2000 mW, this amplifier brings out the full potential of a wide variety of low-impedance headphones. Every musical nuance is meticulously revealed, delivering rich, full-bodied vocals and clearly articulated highs. This exceptional performance takes headphone performance to a new level and ensures a pure and enjoyable listening experience.Technical DetailsSupported operating systems: Windows, Linux, Mac OS, iOS, AndroidBattery: 3.87 V/13,600 mAhBattery life: USB input ≥ 11 hours, SPDIF input 11 hours, AUX input 20 hours (ECO mode)Charging time: < 6 hours (fast charging) | < 10 hours (slow charging)Dimensions: 18.5 x 9.5 x 3.3 (cm)Weight: 0.78 kgUnbalanced output parameters:Output power: 2000 mW (32 Ω, THD+N < 1%) 240 mW (300 Ω, THD+N < 1%) Output impedance: ≤ 0.2 ΩBalanced output parameters:Output power: 2000 mW (32 Ω, THD+N < 1%) 930 mW (300 Ω, THD+N < 1%) Output impedance: ≤ 0.4 ΩPackage contents1 x xDuoo Xd-05 ProUser manual