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Condition is unknown, so this is a harder one to judge from the listing alone, but at US$1,195 it’s clearly ambitious versus the recent used market anchor of a US$846 median and US$949 75th percentile. Unless the package is unusually complete or includes meaningful extras, it’s sitting above the typical range rather than near it.
The upside is that the WA7 Fireflies is a well-liked compact tube DAC/amp with real appeal for a desk system: attractive industrial design, a distinctive tube presentation, and enough power to make it a satisfying all-in-one for many headphones. If the accessories are truly complete and the unit is clean, it remains a desirable piece—but at this price, buyers should want strong condition, full original kit, and maybe upgraded tubes or a known recent service history to justify the premium.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Woo Audio is a New York-based high-end audio company founded in the mid-2000s, with 2006 widely cited as its launch year. It was built by the Wu family, with Jack Wu as the public face of the brand and key design influence, alongside family members who helped shape the company’s early growth. Its roots are in tube electronics and a strong appreciation for live sound, which has remained central to its identity.
The brand is best known for vacuum-tube headphone amplifiers, especially models such as the WA series, along with electrostatic headphone amplifiers like the WES. Woo also makes a smaller range of speaker amps, plus related audio accessories and cables, while its website and retail focus remain centered on amplification and headphone-oriented listening rather than source components or turntables.
In the market, Woo Audio sits firmly in the boutique high-end niche. It is respected among headphone enthusiasts for handcrafted, valve-based designs, substantial build quality, and a distinctive sonic character often associated with warmth, scale, and refinement. It is not a mass-market brand; instead, it appeals to serious buyers looking for premium, specialized amplification with a strong American-made identity.
See all Woo Audio listings on RADAR.
