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Productdetails merk: isostatic (acr) model: rp 300nt active type: actief luidsprekersysteem configuratie: actieve luidsprekers + externe fir box bouw: handgemaakt in zwitserland aanschafjaar actieve v
For this category, it’s a seller’s market at the moment: at €5,450, this sits well above the €4,153 75th percentile of recent comparable EUR listings, so the asking price is ambitious rather than fair. Against a €2,930 median, you’re paying a clear premium, and that only makes sense if the package has unusual completeness, provenance, or a condition advantage that’s genuinely exceptional.
The upside is obvious if you want a serious FiR Audio piece with the right accessories and a clean history, because these are niche, well-regarded items that tend to reward careful ownership. If the box, original accessories, and cosmetic condition are all excellent, it may still appeal to the right buyer—but at this price, I’d want strong proof that the extras and condition justify the gap.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
FiR Audio emerged from a legacy of innovation in in-ear monitor (IEM) technology, with roots tied to the expertise of founder Bogdan Belonozhko, one of the Belonozhko brothers previously associated with 64 Audio. The brand continues this heritage, building on groundbreaking advancements in personal audio while operating from Dongguan City, Guangdong Province, China. Though exact founding details remain less documented, FiR Audio positions itself as a forward-thinking evolution in high-fidelity earphones.
The company specializes exclusively in premium in-ear monitors, distinguishing itself through proprietary technologies like hybrid conduction, kinetic bass that delivers tactile impact via the chassis acting as a secondary transducer, and the ATOM (Air Transferring Open Module) system for expanded soundstaging and reduced ear fatigue. Unlike traditional IEMs reliant on sound tubes, FiR's Frontier Series emphasizes immersive, full-body bass reproduction akin to live wedge monitors, targeting audiophiles seeking unparalleled detail and physicality.
FiR Audio occupies a niche boutique position in the high-end portable audio market, earning acclaim among discerning listeners for its audacious engineering that transcends conventional IEM boundaries. It appeals to knowledgeable hi-fi enthusiasts who prioritize innovative driver configurations and pressure-relief designs over mass-market accessibility, solidifying its reputation as a specialist in transformative personal monitoring.
See all FiR Audio listings on RADAR.
