HDNSS is based on a design approach rooted in the physics of sound propagation, rather than relying on traditional electronic compensation.

The technology acts on:

• sound wave control
• resonance distribution
• frequency response
• harmonic balance of the signal

This approach enables a more natural and realistic sound reproduction.

One of the core elements of HDNSS is the control of internal cabinet resonances

The loudspeaker design is engineered to:

• reduce standing waves
• improve acoustic propagation
• minimize sound coloration

The research behind HDNSS is also inspired by the theories of the mathematical physicist Manfred Schroeder, particularly regarding resonance distribution in acoustic environments.

HDNSS optimizes the propagation of sound waves within the loudspeaker. Through the control of internal reflections and the use of acoustic damping materials, sound energy is distributed more evenly.

This results in:

• improved sound transparency
• enhanced detail resolution
• a wider soundstage

UBSOUND loudspeakers use full-range drivers designed to ensure phase coherence and tonal continuity

This allows:

• more natural sound reproduction
• better integration across frequencies
• reduced discontinuities in the audio spectrum

The driver represents the origin of HDNSS sound propagation.

The bass reflex system is engineered to control airflow and enhance low-frequency extension

HDNSS optimizes:

• internal acoustic pressure
• airflow within the port
• dynamic response of low frequencies

The result is a more controlled and natural bass reproduction.

The goal of HDNSS is to achieve a natural, high-definition sound signature

This translate to:

• high detail resolution
• tonal balance
• realistic soundstage
• natural musical timbre

HDNSS is entirely developed in Italy, in the UBSOUND laboratories in Milan.

This technology represents the core of the brand’s design philosophy and is implemented in every UBSOUND loudspeaker.