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At US$850, this sits a bit below the median of the recent comps at US$881 and comfortably above the 25th percentile at US$781, so it reads as a fair-to-good buy, not a steal. It is priced well inside the normal used range, and only a touch under the typical middle of the market.
The 218 THX is well regarded for clean, muscular, low-distortion power, which is exactly what you want if you’re driving demanding speakers or want a serious two-channel or home-theater amp. If it’s genuinely clean and fully functional, the upside is strong: THX-branded NAD gear has a solid reputation and tends to age well when it has been cared for. With condition listed as unknown, I’d mainly verify channel balance, quiet operation, and whether it has the right accessories before jumping.
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.
