Musical Truth Engineering the quiet around the signal

Quiescent designs audio electronics, cables and system-control products that control unwanted electrical and mechanical energy, allowing high-performance systems to work with greater stability, clarity and presence.

Quiescent T100SPA stereo power amplifier

The Physics Around Music

The musical signal is only part of the system. Around it sit power supplies, electromagnetic fields, vibration paths and high-frequency energy that can move between components in ways the audio circuit was never designed to control. Left unmanaged, these interactions can disturb timing, reduce clarity and mask low-level information.
Quiescent studies these mechanisms in detail, then designs controlled paths for unwanted electrical and mechanical energy to be absorbed and dissipated. The aim is not to shape the sound, but to reduce the influences that prevent a system from performing with stability, presence and musical truth.

Silence unlocked

T-Series Power Amplifiers

Discover the T100SPA and T100MPA: power amplifiers designed to control unwanted electrical and mechanical energy, giving demanding loudspeakers a quieter, more stable foundation.

Introducing TOR - a more affordable way of removing noise!

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25 Jan 2026

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Apex Component Couplers

Ground your system and drain interference with patented multi-phase EMI and vibration absorption technology to unlock the true potential of your audio components.

Explore the Couplers

Peak Mains Modules

Prevent your music from being contaminated by what's in your mains supply.

Explore the Mains Modules

Build a quieter system

Explore Quiescent products for power, grounding, cabling and electronics.