About Us

Welcome to the Art of Ultimate Performance Audio

The Brand

SW1X Audio Design® stands for ultimate performance audio equipment design. We are redefining the limits of reproduction of music by building most authentic musical sounding systems. We adopt an unconventional approach to harness the best out of materials and established audio technologies. All our products are designed & hand assembled in our factory in Essex, England.

The SW1X Vision

Digital to Analogue Converter SW1X DAC Spec Sheet nos r2r dac v high end audio

A recording in itself is just a starting point not the end of how a recording should play. True musical pleasure comes when the emotion and soul the artists poured into their performance are brought back to life. Inspired by this belief, our designs aim to reproduce every recording exactly as the musicians intended – faithfully resurrecting the soul of music.

Our design philosophy is rooted in finest audio heritage and tradition. Decades-old technologies such as Valves and Horn Loudspeakers and formats like Vinyl remain amongst the best music reproduction choices available today. We therefore develop equipment guided not by fashion or dogma, but by a single objective: the ultimate listening experience.

About The Founder

Dr. Slawa Roschkow’s lifelong fascination with music and his determination to understand why some audio systems bring recordings to life while others leave them feeling distant.

His early experiences with recorded music shaped a conviction that would become central to his work: musical reproduction must preserve not only the information in a recording, but also its emotional character.

Thus began a pursuit to create the most refined audio reproduction systems that engage with the listener seriously and deliver the most uncompromised musical performance possible.

Resurrecting the Soul of Music

SW1X Audio Design® stands for ultimate performance audio equipment design. We are redefining the limits of music reproduction by building the finest and most authentic musical sounding systems. We adopt an unconventional approach to harness the best out of materials and established audio technologies. All our products are designed & hand assembled in our factory in Essex, England.

A recording in itself is just a starting point, not the end of how a recording should play. True musical pleasure comes when the emotion and soul the artists poured into their performance are brought back to life. Inspired by this belief, our designs aim to reproduce every recording exactly as the musicians intended – faithfully resurrecting the soul of music.

With exquisite limited-edition loudspeakers and a complete range of high-end audio products, we build crème de la crème systems that are meant to last and be an endgame solution to your audio journey.

Welcome to the Art of Ultimate Performance Audio

Dr. Slawa (SW1X) Roschkow

Founder, Managing Director & Chief Audio Engineer

Our History

The journey began in 2009 with a TDA1543 DAC prototype. By 2012, the development of our digital local playback unit (VDT) and an uncompromised TDA1541 based DAC design reflected our conviction that the digital source, the very beginning of the audio chain, deserved far greater attention in high-end audio.

Following our commercial launch in 2015, one principle became increasingly clear: SW1X sources reveal their full potential when the entire system works in synergy, functioning as one coherent organism.

Our portfolio has since expanded to include Preamplifiers, Integrated Amplifiers, Phono Stages, Hand-Wound Transformers, Power supplies and high sensitivity single-driver, crossover-less Horn Loudspeakers.