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Eleven Audio
Website:https://elevenaudio.jp/
Eleven Audio is a small independent Taiwanese maker of headphone amplifiers, DACs and compact amplifiers, founded in 2016 by designer Michael Xiao. The brand first traded as XI AUDIO, moved to Taiwan in 2018 and later took its current name. It remains a designer-led company without corporate backing.
Range & what it's known for
Products include the Formula S and Broadway headphone amplifiers, the K DAC and SagraDAC2 converters, and the VoltCel and Powerman power supplies. The A390 is a half-size Class AB integrated amplifier rated at 39 W per channel into 8 ohms. It uses the brand's VCIA circuit, in which each stage handles only voltage or only current amplification, together with an R-2R electronic volume control that memorises level and gain per input.
Who owns it and where it's made
Ownership rests with founder Michael Xiao, who studied automatic control at Beijing University of Technology and has around two decades of analogue circuit design behind him. Design, development and manufacturing are all handled in-house in Taiwan.
The lineup in this catalog
Integrated amplifiers. The listed A390 has a single XLR input plus two RCA inputs, with a 15-kilohm balanced input impedance.
Who it's for
Eleven Audio fits listeners building a desktop or compact speaker system who want a small integrated amplifier from a specialist workshop. Headphone users can enter through the Broadway and move up to the Formula S, adding a K DAC or SagraDAC2 as the source.
Range & what it's known for
Products include the Formula S and Broadway headphone amplifiers, the K DAC and SagraDAC2 converters, and the VoltCel and Powerman power supplies. The A390 is a half-size Class AB integrated amplifier rated at 39 W per channel into 8 ohms. It uses the brand's VCIA circuit, in which each stage handles only voltage or only current amplification, together with an R-2R electronic volume control that memorises level and gain per input.
Who owns it and where it's made
Ownership rests with founder Michael Xiao, who studied automatic control at Beijing University of Technology and has around two decades of analogue circuit design behind him. Design, development and manufacturing are all handled in-house in Taiwan.
The lineup in this catalog
Integrated amplifiers. The listed A390 has a single XLR input plus two RCA inputs, with a 15-kilohm balanced input impedance.
Who it's for
Eleven Audio fits listeners building a desktop or compact speaker system who want a small integrated amplifier from a specialist workshop. Headphone users can enter through the Broadway and move up to the Formula S, adding a K DAC or SagraDAC2 as the source.
