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Naim’s iSupply is a respected little power accessory, especially for owners of compatible Naim kit looking to tidy up an upgrade path or add a cleaner external supply. At £542, this sits well below the £785 median and also under the £500–£1,006 comparable range’s middle ground, so it reads as a solid buy rather than a stretch.
That price is attractive because these units are valued for doing one practical job well: improving system flexibility and, in the right setup, helping Naim components sound more composed and confident. If the unit is complete and working properly, the main upside is straightforward value for money; just make sure the exact version matches the gear you plan to use it with and that the connection lead/cable situation is sorted before you commit.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Naim Audio, a cornerstone of British hi-fi excellence, traces its origins to 1973 when Julian Vereker, a self-taught engineer, racing driver, and music enthusiast, formally incorporated the company in Salisbury, Wiltshire. Vereker's journey began earlier, in 1969, experimenting with tape recording and sound-to-light boxes before designing his first power amplifier in 1971. Amid the British hi-fi industry's recession, he secured a pivotal contract with Capital Radio, blending entrepreneurial grit with a passion for authentic sound reproduction that challenged conventional wisdom.
The brand specializes in premium integrated amplifiers, power amplifiers, preamplifiers, digital streamers, DACs, and compact music systems, often featuring built-in amplification for streamlined setups. While not delving into speakers—beyond a historical foray—or headphones and turntables, Naim emphasizes modular, upgradable components that prioritize pace, rhythm, and timing (PRaT), a signature sonic philosophy rooted in the "source first" approach alongside contemporaries like Linn.
Naim holds a commanding position in the high-end market, revered by discerning audiophiles for its handmade, innovative systems that deliver emotional musical engagement over mere specifications. Now part of VerVent Audio Group following a 2011 merger with Focal, it exports to over 45 countries, sustaining a cult following for resilient, influential designs that transcend economic cycles.
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