Feliks Audio is a distinguished Polish manufacturer of high-end vacuum tube amplifiers and headphone amplifiers, founded by Łukasz Feliks who combines passion for music with exceptional craftsmanship in tube audio design. Based in Poland, this boutique company has earned international acclaim for creating some of the finest tube-based headphone amplifiers available, serving discerning audiophiles and music enthusiasts worldwide. Feliks Audio specializes exclusively in vacuum tube technology, offering a comprehensive range of headphone amplifiers from entry-level to reference-grade models, including the popular Echo, Elise, Euforia, and flagship Envy series. Each amplifier is hand-built with meticulous attention to detail, featuring carefully selected premium tubes, high-quality transformers, and robust construction that reflects traditional Polish manufacturing excellence. The company's philosophy centers on delivering the warmth, musicality, and emotional engagement that only well-designed tube circuits can provide, making their amplifiers particularly appealing to listeners who appreciate the natural harmonic richness of vacuum tube sound. Feliks Audio has built a loyal following among headphone enthusiasts globally, with products that successfully balance technical performance with the magical qualities that make tube amplification so compelling for music reproduction.