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The asking price of US$12,500 for the Pass Labs X350.8 sits right at the median of US$12,500 from your three recent comparable listings, making it a fair used-market value rather than a bargain or an ambitious ask. With the original retail price currently around US$14,200, this used listing offers a modest but honest discount for a top-tier Class A/B amplifier that delivers 350 watts into 8 ohms and 700 watts into 4 ohms.
This amplifier is well-regarded for its musicality, deep bass control, and spacious imaging, leveraging Pass’s patented Supersymmetry circuit and high-bias design to sound effortlessly powerful yet refined. At this fair price, it represents a solid buying opportunity for a listener seeking a tube-like warmth with solid-state reliability, especially if the unit is original-owner or includes accessories—no caveats needed unless the condition is questionable.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Pass Labs, an American high-end audio powerhouse, traces its origins to 1991 when legendary designer Nelson Pass founded the company in his California home workshop. Emerging from his earlier venture with Threshold Electronics, Pass pioneered prototypes of single-ended Class A amplifiers, enlisting collaborator Mike Burley to build custom CNC machines for production. The debut Aleph 0 model shipped in 1992, marking the start of a legacy rooted in pure, innovative solid-state amplification.
The brand focuses intently on a select range of components, excelling in power amplifiers, preamplifiers, integrated amplifiers, and phono stages, all hand-built in Auburn, California. Renowned for minimalist circuits and pure Class A topologies—often blending into Class A/B for efficiency—Pass Labs delivers exceptional warmth, detail, and realism. While they ventured briefly into headphone amplifiers like the HPA-1, their core strength lies in amplification, eschewing speakers, turntables, DACs, headphones, or cables.
Positioned firmly in the ultra-high-end market, Pass Labs commands reverence among discerning audiophiles and professionals for its uncompromising engineering, industrial aesthetic, and emotional musicality. Products embody technical precision with timeless simplicity, sustaining a reputation for quality and innovation that has endured over three decades, making them a benchmark for those seeking transcendent sound reproduction.
See all Pass Labs listings on RADAR.
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