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This is a mature, older-generation processor, so timing matters mainly in how complete the package is and whether the unit has been properly checked; for a niche control piece like this, accessories and setup support are often as important as the box itself. At US$900, it sits well above the recent used median of US$474 and even above the 75th percentile of US$622, so this is an ambitious ask rather than a fair-market buy.
What makes it worth considering is Sonance’s reputation for solid multi-zone processing and integration, especially if you need a specific DSP/control solution that still fits a whole-house system. If the cables and accessories are genuinely complete and the unit is tested, that helps, but the premium here should buy something exceptional: verified working status, clean provenance, and preferably documentation.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Sonance is an American architectural audio brand founded in the early 1980s by Scott Struthers and Geoff Spencer in Southern California. The company emerged from a simple but powerful idea: that high‑fidelity sound should not compromise interior design. In 1982, Sonance introduced the world’s first in‑wall loudspeaker, effectively creating the architectural speaker category and establishing a legacy built on innovation and discretion.
Today, Sonance is best known for in‑wall and in‑ceiling loudspeakers, outdoor audio systems, and multi‑room audio solutions, rather than amplifiers, turntables, DACs, or headphones. Its product range includes residential and commercial speakers, volume controls, and related electronics designed to blend seamlessly into walls, ceilings, and outdoor environments. The brand’s “degrees of invisibility” philosophy emphasizes clean aesthetics, flexible installation, and consistent performance across diverse spaces, from luxury homes to commercial venues.
Sonance occupies a strong position in the mid‑to‑high‑end custom‑installation market, widely recognized and frequently awarded in architectural and outdoor audio. It is a go‑to choice for integrators, architects, and design‑conscious clients who prioritize both performance and visual subtlety, rather than visible hi‑fi hardware.
See all Sonance listings on RADAR.
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