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When new, the SWAMPE-4 sold around US$3,800, but that historic figure matters less than today’s used market: comparable listings have a US$147 median, with the upper quartile at US$300. At US$349, this is slightly above that range—an ambitious ask rather than an obvious bargain. I’d want the seller to come down toward US$250–300 unless it is tested and complete.
It remains a capable, well-built specialist unit: four stereo zones, 140 watts per channel into 8 ohms, substantial 4-ohm drive, DSP for each zone, and bridging up to 400 watts per channel. The catch is that it is an expander, not a standalone source or conventional integrated amplifier; it needs the Sonnex ecosystem, especially the SWAMP-24X8, plus the appropriate link connection. Buy it at this price only if that system compatibility is already covered and operation is verified.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
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.
See all Crestron listings on RADAR.
