Formula S – highest score from TAS | Eleven Audio
The XI Audio Formula S is a fine, reference-quality headphone amplifier that can handle your most difficult, power-hungry headphones with […]
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Reviews
News, Reviews
Formula S – highest score from TAS
The XI Audio Formula S is a fine, reference-quality headphone amplifier that can handle your most difficult, power-hungry headphones with
Reviews
TAS report Broadway
XIAudio (‘Eleven’ Audio)The Chinese firm XIAudio showed one new headphone amplifier and one expansion option for an existing headphone amplifier