The Signature QUANTUM represents the pinnacle of ULTRASONE’s acoustic engineering — a fusion of reference-grade technology, premium materials, and uncompromising performance. Designed for the most demanding audiophiles and professionals, it delivers a listening experience that transcends conventional boundaries. 

At its core are the legendary GTC drivers, derived from the renowned Edition 15, offering exceptional resolution, speed, and transparency. Every detail is rendered with remarkable clarity, from the deepest lows to the most delicate high-frequency nuances.

ULTRASONE’s latest S-LOGIC®5 technology enhances this performance by creating a natural, spacious soundstage while reducing sound pressure levels. The result is a more immersive, speaker-like experience with reduced listening fatigue, even during extended sessions.

Precision-milled aluminum earcups provide structural integrity and refined acoustic control, while the newly developed headband ensures optimal comfort and balance. High-end detachable cables guarantee uncompromised signal transmission, meeting the expectations of true high-fidelity enthusiasts. 

The Signature QUANTUM is complemented by an elegant aluminum case, offering both protection and a statement of exclusivity. 

It is a symbol of sonic refinement — where innovation, heritage, and luxury converge.