xDuoo xDuoo TA-20 Plus
The xDuoo TA-20 Plus blends tube-rich warmth with Class-A authority, delivering natural vocals, deep controlled bass and an impressively spacious soundstage. Old Guy Hifi heard holographic midrange detail and effortless power, while Soundnews scored its dynamics, stage and value especially highly. Balanced connectivity, preamp flexibility and responsive tube rolling make this a richly musical desktop centerpiece.
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Nicely Roasted
Sound Quality
87/100
Build Quality
88/100
Features Usability
88/100
Value for Money
93/100
Pros
Rich, holographic and non-fatiguing presentation with natural vocals, strong midrange detail and spacious imaging.
Powerful, controlled delivery drives a broad range of full-size dynamic and planar headphones with convincing macro-dynamics.
Meaningful tube rolling and balanced inputs/outputs add valuable system-tuning and preamp flexibility.
Cons
High gain can produce audible hiss or background noise with sensitive IEMs, particularly from the single-ended output.
Its smooth, relaxed voicing prioritizes macro-dynamics over razor-sharp treble, microdetail and slam.
The rear-mounted power switch and slightly loose-feeling volume control are minor ergonomic compromises.
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 87/100
Reviewers consistently describe an engaging hybrid presentation: warm, rich and spacious without becoming veiled, with strong full-size-headphone drive. Its main trade-offs are softened rather than razor-sharp treble, a slightly relaxed presentation for some listeners, and background noise with sensitive earphones or the single-ended output.
Transparency Resolution
88/100
Prime Audio Reviews found the sound transparent and lush rather than dark or veiled, with good detail retrieval and clean transients. Tharbamar likewise heard improved clarity, small nuances and precise reproduction, although PortaFi and WaveTheory note that ultimate microdetail and incisiveness are not the central focus.
Tonal Balance Musicality
91/100
The TA-20 Plus is widely praised for a rich, musical and non-fatiguing character, with natural vocals, substantial instrumental body and an open upper range. It leans warm and smooth, with slightly relaxed or gently rolled-off treble, but reviewers generally regard that voicing as an appealing part of its tube-hybrid character.
Dynamics
90/100
Several reviewers praise the amplifier's powerful, grippy and effortless delivery, with deep, articulate bass and convincing macro-dynamic impact. Old Guy Hifi especially highlighted well-reproduced transient, spatial and dynamic cues, though WaveTheory found slam and snappiness present but not foregrounded.
Noise Floor
78/100
Tharbamar found the amplifier notably clean and quiet for a tube design after replacing the stock tubes, but heard faint left-channel hiss with the originals and more background noise from the 6.35 mm output. PortaFi also advises against pairing it with sensitive IEMs because its high gain brings audible background noise.
Headphone Compatibility
88/100
Reviewers report effortless performance with a broad range of full-size dynamic and planar headphones, and Prime Audio Reviews credits the low-impedance output with widening headphone compatibility. Its powerful fixed-gain approach is less accommodating for sensitive IEMs, where background noise and limited low-volume flexibility become more relevant.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
88/100
Construction receives strong praise: reviewers describe a solid, compact metal unit with good fit and finish, effective side and bottom ventilation, and unusually cool operation for a tube-hybrid amplifier. WaveTheory's only notable ergonomic reservation is a volume knob that feels somewhat splashy.
Features Usability
88/100
The TA-20 Plus offers balanced and RCA inputs, balanced and single-ended headphone outputs, RCA preamp output, and tube rolling for meaningful tailoring of the presentation. It is a versatile analogue amplifier/preamp rather than a DAC/amp, and users should disconnect headphones when using the preamp because the headphone output remains active.
Value for Money
93/100
At roughly $499, reviewers repeatedly call it a strong buy, with Soundnews explicitly praising its value and Prime Audio Reviews calling it very reasonably priced among tube amplifiers. The combination of balanced hybrid design, broad full-size-headphone drive, preamp capability and tube-rolling potential is seen as unusually compelling for the asking price.
Reviews & Sources
Professional reviews and sources for this product's Watt'n Potatoes analysis.
Online Reviews & Mentions
YouTube Reviews
Forum Mentions
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Specifications
- Input Interface
- One XLR balanced input and two RCA inputs
- Headphone Output
- 6.35mm single-ended, 4.4mm balanced, 4-pin XLR balanced
- Output Power
- 2000mW at 32Ω
- Frequency Response
- 10Hz-80kHz (+/-0.5dB)
- Dimensions
- 26.0 x 17.7 x 15.3 cm
- Weight
- 4.3 kg
Manufacturer's Description — xDuoo
Fully Balanced Tube Hybrid Headphone Amplifier.
TA20 Plus gives analog headphone listening a physical presence. A 5Z4P rectifier and dual 12AU7 amplification tubes meet a Class A transistor buffer, fully balanced input and output paths, a dynamic VU meter and 2000mW output at 32 ohms for listeners who want tube texture with confident desktop control.
Engineered for Performance
Strong Balanced Headphone Drive
Confirmed 2000mW output at 32 ohms gives a wide range of headphones confident desktop power.
Visible Three-Tube Architecture
A 5Z4P rectifier and dual 12AU7 amplification tubes bring visible tube character to the signal path.
Fully Balanced Analog Path
XLR input and 4.4mm or 4-pin XLR headphone outputs support a complete balanced listening chain.
Music You Can See
The illuminated dynamic VU meter gives listening a clear, physical sense of movement.
Balanced Tube Power. Analog Presence.
TA20 Plus gives analog headphone listening a physical presence. A 5Z4P rectifier and dual 12AU7 amplification tubes meet a Class A transistor buffer, fully balanced input and output paths, a dynamic VU meter and 2000mW output at 32 ohms for listeners who want tube texture with confident desktop control.
What Powers It
2000mW output supports the product's confirmed headphone drive.
Designed for practical everyday listening.
Designed for practical everyday listening.
Designed for practical everyday listening.
Designed for practical everyday listening.
Designed for practical everyday listening.
Verified Dealers
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Authorized dealers for xDuoo xDuoo TA-20 Plus
- A1 Futureshop — online and in-store — North Rocks, New South Wales, Australia (website)
- Apos Audio — online and in-store — Oakland, California, United States (website)
- ARK Audio — online and in-store — Borensberg, Östergötlands län, Sweden (website)
- Audeos — online and in-store — Żywiec, Województwo śląskie (website)
- Audio essence — online and in-store — Zürich, Zürich, Switzerland (website)
- Audio Magic - EU — online and in-store — Wola, Województwo mazowieckie, Poland (website)
- AUDIOPHONICS — in-store — Bordeaux, Nouvelle-Aquitaine, France (website)
- Bloom Audio — online and in-store — Gibbsboro, New Jersey, United States (website)
- Elise Audio — online and in-store — Paddington, England, United Kingdom (website)
- Headphone Zone — online and in-store — Laxmi Industrial Estate, Maharashtra, India (website)
and 8 more verified dealers