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This US$7,499 asking price for the used Feliks-Audio Envy is a strong deal, sitting well below the typical new retail range of US$8,795–US$8,899 and even undercutting the higher end of recent used listings on eBay, where a Performance Edition sold for US$7,499 and another standard unit for US$5,199. With new prices hovering near US$8,800, this listing offers immediate value and represents one of the most accessible entry points into true 300B flagship tube amplification today.

The Envy is a pinnacle Summit-Fi amplifier revered for its massive 8W output into 16Ω, transformer-coupled Single Ended Class A design, and ability to drive demanding planar and dynamic headphones with authority and musicality. Its 300B tubes and dual-gain flexibility make it a rare desktop beast that also functions as a preamp, offering end-game performance in a compact chassis. At this price, it’s a genuine buying opportunity for enthusiasts seeking top-tier tube sound without the new-unit premium.

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

About Feliks-Audio

Feliks Audio traces its roots to Poland, where electronics engineer and audio enthusiast Henryk Feliks began designing amplifiers over 40 years ago as a passionate hobby. Around 20 years ago, he turned this pursuit commercial, selling custom-made units initially within Poland. In 2014, the second generation—sons Łukasz, Piotr, and Michał—joined the family business, elevating it into a global operation based in Lubliniec. Today, this tight-knit team of about 10 crafts products with over 25 years of accumulated expertise in tube amplification.

The brand specializes exclusively in handcrafted tube amplifiers, with a sharp focus on headphone applications. Their lineup includes output transformerless (OTL) designs like the accessible Echo, high-end models such as the Envy Susvara Edition, and even esoteric electrostatic amplifiers like the Bliss, which supports both modern and vintage headphones. Every piece is in-house engineered, tuned, and assembled, blending natural materials and unique topologies for purist performance, often doubling as preamps for active speakers.

Feliks Audio occupies a niche boutique position in the high-end hi-fi market, revered by headphone aficionados for its emotional, rewarding sonics that prioritize musicality over sterile precision. Distributed in over 20 countries through select channels, their four-figure pricing reflects premium, small-batch quality rather than mass-market volume, appealing to discerning buyers who value tradition-meets-innovation in tube-driven headphone amplification.

See all Feliks-Audio listings on RADAR.

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