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A used Boulder 866 listed for £8,995 is a genuine bargain, sitting just below the 25th percentile of £8,998 and well under the median of £9,228 for recent comparable GBP listings. This asking price is an exceptional deal in the current used market, offering a clear buying opportunity for any serious enthusiast.
The Boulder 866 is a star performer and a true standard of excellence, renowned for its superb industrial design and musical presentation. It delivers 200Wpc into 8 ohms with peak power of 250Wpc, making it tough to beat at this price point. With included DAC and network capabilities, this unit offers significant upside for streaming and digital integration, representing a smart timing play for a well-loved, high-power integrated amplifier.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Boulder Amplifiers traces its roots to the professional recording and broadcast world of the 1970s, when founder Jeff Nelson, a self-taught electronics expert, built mixing boards for studios. In 1984, the company formally launched in Colorado—initially in an old farmhouse near Superior, later relocating to Louisville—with the debut of its rugged 500 power amplifier, prized by engineers for its clarity and durability. Under Nelson's leadership for over four decades, Boulder transitioned from pro audio gear to the pinnacle of home high-fidelity, maintaining full vertical integration in a sprawling 23,000-square-foot facility where every chassis, circuit, and component is crafted in-house.
The brand specializes in solid-state power amplifiers, preamplifiers, and integrated electronics, epitomized by flagships like the 2150 monoblock and 800 Series. Absent from speakers, turntables, DACs, headphones, or cables, Boulder's focus remains laser-sharp on amplification, delivering ultra-neutral sound with vanishingly low distortion—such as the 2150's 0.00036% THD and 1000W output—and peerless signal-to-noise ratios.
Positioned at the apex of high-end audio, Boulder commands reverence among discerning audiophiles for indestructible build quality, cost-no-object engineering, and machined-aluminum casework that sets unmatched standards. As North America's last fully in-house audio manufacturer, it appeals to buyers seeking unflappable performance and heirloom longevity, with prices reflecting its elite status, like $110,000 pairs of monoblocks.
See all Boulder listings on RADAR.
audio-markt.de
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