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At US$300, this sits above the US$177 median and even a touch over the US$318 75th percentile, so it reads as a slightly ambitious ask rather than a bargain. It’s not wildly off for a specialized commercial-style amp, but it’s priced at the upper end of the current used market, so value depends heavily on condition and what’s included.
What makes it interesting is the Sonance DSP platform: these amps are built for clean multi-zone, 70V distribution work, and the DSP adds real setup flexibility if you’re driving installed speakers or a larger system. A clean, fully working unit with solid cosmetics and any original accessories could still be worth it; if anything is missing or its service history is unclear, there’s less room at this price.
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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