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This is a fair ask, slightly below the market center rather than a steal. At US$899, it sits under the US$941 25th percentile and well below the US$1,025 median from your recent comparables, so it looks like solid value without being a screaming bargain.
The C390DD is a respected all-in-one integrated that earned its reputation on strong control, clean digital amplification, and a very polished, low-fatigue presentation. For a buyer, the upside is getting a capable, high-performance one-box amp at a price that leaves room for sensible risk, especially if it’s complete and functioning properly. With condition listed as unknown, I’d mainly want confirmation of clean operation, intact display/inputs, and any included remote or packaging.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
NAD Electronics was founded in 1972 in London by a group of European audio importers frustrated with the hype surrounding Japanese hi-fi products. Led by visionary American executive Martin L. Borish and brilliant engineer Bjorn Erik Edvardsen, the company emerged from a quest to deliver high-performance audio at accessible prices. Their breakthrough came with the NAD 3020 integrated amplifier, the best-selling hi-fi amp in history, which embodied a philosophy of stripping away non-essentials to prioritize pure sound quality.
The brand focuses on core hi-fi categories, excelling in amplifiers—pioneering Class A/B, Class G, and hybrid digital designs—alongside integrated receivers, AV processors, turntables, CD and cassette players, and modern streamers. While not venturing into speakers, headphones, or cables, NAD emphasizes source components and amplification that integrate seamlessly into home theater and custom installation setups, always upholding principles of innovation, simplicity, performance, and value.
Today, as part of Canada's Lenbrook Group and sold in over 80 countries, NAD holds a commanding mid-tier position in the market, revered by audiophiles for affordable excellence rather than ultra-high-end excess. Its "Truth in Power" legacy earns cult status among knowledgeable buyers seeking reliable, award-winning gear that punches above its price, blending vintage heritage with contemporary streaming and hybrid tech.
See all NAD listings on RADAR.
