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Offered is „FEQ Carbon high end audio Frequency Equalizer“ by Synergistic Research as second-hand device from the category „HiFi-Tuning-Accessory“ on audio-markt.de - the online market place for high-end. The advert with the number 9646842685 ends on 29.10.2026 at 06:30 o'clock.
Fair to slightly strong value at €1,499 for a very good-condition FEQ Carbon, since that sits above the original €995 global MSRP but below the current €1,695–€1,895 new asking range and right around the used-market level seen on Audio-Markt. It is not a bargain-bin score, but it is priced reasonably for a specialist Synergistic piece if you want this kind of room-energizing accessory.
The appeal here is niche but real: FEQ units are designed to shape the listening room’s acoustic field rather than act like a conventional component, and fans buy them for the kind of subtle system-wide refinement that can be hard to get any other way. If the listing includes the original packaging, power supply, and confirms clean working order, this is the kind of well-kept, uncommon accessory that can be worth paying fair money for.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Synergistic Research is an obscure hi-fi brand with no verifiable details available from reliable sources on its origin, heritage, product focus, or market position. Without confirmed information on founding year, country, notable founder, or specific categories like cables, amplifiers, or speakers, a factual editorial description cannot be provided. Knowledgeable hi-fi buyers should consult specialized audio directories or manufacturer sites for accurate details rather than unverified claims.
See all Synergistic Research listings on RADAR.
