Sphinx Audio Engineering is built on the legacy of Siltech® and Crystal Cable®, combining decades of high-end audio innovation with modern vision. Originally established in the 1980s, Sphinx earned recognition for its refined electronics, amplifiers, and speaker designs that seamlessly fused engineering precision with musical expression. Today, Sphinx has been reimagined by the same minds behind iconic products like the Symphony and Glass Arabesque, and continues to pursue uncompromised sonic performance. Every product is born from a deep passion for music and a commitment to purity in sound, crafted to reveal the full emotional and technical depth of every recording.
40+
Years of combined experience in high-end audio design, electronics, cables and loudspeakers — built on the legacy of Siltech® and Crystal Cable®
2+
Award-winning audio legacies, Sphinx unites the craftsmanship, R&D and innovation of two globally respected brands under one philosophy.
100%
Hand-made and acoustically tuned. Each loudspeaker is assembled, tested, and perfected by audio specialists in the Netherlands.
∞
Unlimited sonic potential, Sphinx is built to grow — with future products already in development to redefine what’s possible in music reproduction.
Core Principles of Sphinx Audio Engineering
Built for Performance. Designed for Music.
Every Sphinx product is built on decades of research into cables, electronics, and acoustics — from zero-compression cabinets to PAC™ crossovers.
Timeless Design
Inspired by the harp, each cabinet blends sculptural form with acoustic function, fitting seamlessly into high-end interiors.
Musical Integrity
With phase-perfect alignment, pure signal paths, and custom tuning options, Sphinx products are made to reveal music as it was meant to be heard.