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XDUOO TA-30 TUBE HEADPHONE AMPLIFIER + DACUnusedSPECSxDuooPower Supply: AC220V /110VScreen: 1.3 in OLEDCompatible OS: Windows 7, 8, 10; Mac OSX, IOS; Android Output power: 3000mW at 32 ohmsUSB / OPT / COA / BT frequency response: 20 Hz – 20 kHz(± 0.5 dB)AMP frequency response: 10 Hz – 100 kHz (± 0.5 dB)USB input sampling rate support (PCM): 16-32bit/44.1k-768kHzUSB input sampling rate support (DXD): 24-32 bit/352.8k-384kHzUSB input sampling rate support (DSD): 64-512Sampling Rate Support of OPT/COA INOptical / Coaxial input sampling rate support (PCM): 16-24bit/44.1K-192kHzOptical / Coaxial input sampling rate support (DSD): DSD64 (DOP)Bluetooth format support: SBC, AAC, aptX, aptX HD, aptX LL, LDACS/N: 110dB (A weighted)THD+N: 0.5%@1kHzCrosstalk: ≥ 65dBDimensions: 11.4 x 4.3 x 6.7 in (29 x 11 x 17 cm)Weight: 6.6 lbs (3.0 kg)
At US$385, this xDuoo TA-30 is a strong deal, landing well below the 25th percentile of US$417 and the median of US$450 from recent comparable listings, making it a clear bargain compared to its original US$710 new price. For a unit that new still costs around US$710, dropping under US$400 represents exceptional value for a well-regarded all-in-one tube amp.
The TA-30 earns its reputation for delivering tube sweetness alongside solid power (3W into 32Ω) and versatile connectivity including USB, optical, coax, and Bluetooth 5.0. It functions as a headphone amp, tube preamp, or DAC, offering significant flexibility for desktop or system integration. With no condition flags and a price that screams opportunity, this is a buy for enthusiasts wanting genuine tube sound without the typical markup.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
xDuoo is a Shenzhen, China-based audio brand that emerged from the country’s fast-growing hi-fi manufacturing ecosystem. Its exact founding year is not consistently stated in the sources available here, and no founder is prominently verified, but the company is widely presented as Shenzhen xDuoo Technology Co., Ltd., with roots in OEM/ODM production before building its own consumer-facing identity.
The brand is best known for headphone amplifiers, DAC/amp combos, portable DACs, tube hybrids, and other desktop-and-portable electronics aimed at personal audio enthusiasts. xDuoo’s lineup has included tube headphone amps, balanced amplifier designs, digital-to-analog converters, and all-in-one sources, typically positioned for headphones rather than loudspeakers or turntables.
In the market, xDuoo sits in the value-to-mid-tier audiophile segment, with a reputation for offering ambitious feature sets, lots of connectivity, and occasional tube-flavored designs at relatively accessible prices. It is not generally considered a luxury or vintage-collector brand, but rather a practical, performance-driven Chinese hi-fi maker with a strong presence among enthusiasts seeking high features per dollar.
See all xDuoo listings on RADAR.
