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At US$500, this is well above the typical used market for a Sonos Connect:Amp: your comps put the median at US$113, with the 75th percentile at US$197, so this is a very ambitious ask rather than a fair one. It would need unusual completeness or provenance to make sense at this level.
The reason people still want these is simple: it’s a compact, genuinely useful way to add Sonos streaming and amplification to passive speakers, and it has a strong reputation for easy whole-home integration. That said, at this price the bar is high; I’d want proof it’s fully functional, includes the power supply, and ideally comes from a clean, well-documented setup before considering it.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Sonos emerged from Santa Barbara, California, in 2002 as Rincon Audio, Inc., founded by John MacFarlane, Craig Shelburne, Tom Cullen, and Trung Mai. MacFarlane's success with Software.com provided crucial seed funding for their audacious goal: a wireless multi-room music system free from the wires and complexity plaguing home audio at the time. Renamed Sonos in 2004, the company debuted its pioneering ZonePlayer and controller in 2005, cementing its roots in innovative, user-centric sound technology.
The brand specializes in wireless speakers, soundbars, and home theater systems designed for seamless multi-room playback and integration with streaming services. Sonos offers everything from portable Bluetooth options like the Roam to high-fidelity architectural speakers and subwoofers, alongside recent forays into headphones and whole-home audio solutions. Amplifiers, turntables, DACs, and cables fall outside their core focus, which prioritizes app-controlled ecosystems over traditional hi-fi components.
Sonos holds a commanding mid-to-premium position in the consumer audio market, renowned for inventing wireless HiFi and setting the standard for effortless, high-quality sound. Trusted by audiophiles and casual listeners alike, it blends accessibility with sonic excellence, dominating the smart speaker segment while appealing to discerning buyers seeking scalable, future-proof systems.
See all Sonos listings on RADAR.
