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Crestron SWAMPE-4, Sonnex Multiroom 4 Zone Expansion Audio System Amplifier
Crestron 3 views

Crestron SWAMPE-4, Sonnex Multiroom 4 Zone Expansion Audio System Amplifier

USD$352
Location
US
Seller
whybuynewguy
Source
eBay US
Posted
2d ago
Last seen
5h ago

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Our Thoughts RADAR AI

At US$352, this sits well above the typical used market for this model family: the median is US$140, and even the 75th percentile is only US$300, so the asking price is ambitious rather than a bargain. New Crestron commercial audio gear was expensive, but this used number needs to be justified by exceptional condition, a complete install package, or documented testing.

That said, this is a serious multiroom amplifier built for integrators, so a clean, fully working unit can still be attractive if you need exactly this kind of distributed-audio control. The upside is in its Sonnet-style zone expansion role: lots of output capability, rack-friendly build quality, and the sort of commercial-grade reliability that tends to age well when it’s been lightly used.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About Crestron

Crestron was founded in 1972 in the United States by George Feldstein and built its reputation in professional AV, automation, and control systems rather than in traditional consumer hi-fi. It is a privately held company headquartered in Rockleigh, New Jersey, and its core business has long centered on integrated technology for commercial spaces and high-end residential systems.

In audio, Crestron is best known for installation-oriented products: control processors, AV distribution, streaming audio-over-IP systems, amplifiers, and architectural speakers. Its residential audio line is built around the Crestron Home platform and DM NAX distribution hardware, while its speakers are typically developed with partners such as Origin Acoustics rather than sold as standalone audiophile separates.

In the market, Crestron sits in the premium custom-install and high-end integration segment, not the conventional hi-fi retail space. Its appeal is strongest among system designers, integrators, and affluent homeowners who want whole-house audio, automation, and discreet in-wall or in-ceiling sound, rather than collectors looking for turntables, headphones, or vintage separates. It is a niche but major brand in residential and commercial integration, with audio positioned as part of a broader control ecosystem.

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