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I’m having a clean out and found this iFi USB filter.Comes with a matching iFi SMPS.It’s designed to clean up your USB audio, especially on computer based audio systems, for a cleaner, clearer sound and darker background.It worked very well on my little Musical Fidelity DDC and older desktop syst...
This is worth a look if it’s the earlier iFi mains-reconditioning box rather than a newer replacement, because the value is mostly in what it does to a system, not in age-related collectability. At A$149, it sits in the fair-to-good zone for a used iFi utility piece, and if it’s complete and working cleanly, that’s a sensible ask rather than a stretch.
These units are well liked for taking the edge off noisy power and helping a system sound a bit calmer, especially with sensitive source gear and DACs. The upside here is straightforward: they’re not flashy, but they can be a useful last-mile upgrade if your setup benefits from cleaner mains. I’d mainly check that the included cord, outlets, and any internal cooling or indicator lights are behaving properly, since a tidy, fully functional example is the one you want to buy.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
iFi Audio is a British hi-fi technology company founded in 2012 by Abbingdon Music Research (AMR), a prestigious manufacturer of high-end electronics based in Southport, England. The venture was conceived as a way to democratize advanced AMR engineering by applying proprietary technologies developed for premium home audio to portable, more affordable devices. This strategic pivot proved remarkably successful, establishing iFi as a bridge between audiophile-grade sound quality and accessible pricing.
The brand specializes in portable and desktop audio components, with a product portfolio exceeding 50 devices spanning DACs, headphone amplifiers, Bluetooth streamers, music players, power conditioners, and cables. Flagship products include the iDSD Micro, Hip DAC, xDSD, and xCAN amplifier, all engineered to deliver high-resolution audio support and studio-quality fidelity in compact form factors. iFi has also gained recognition for innovation in wireless audio, notably with their GO Pods earphones featuring xMEMS technology and their Bluetooth-enabled DAC/amp solutions.
iFi occupies a distinctive mid-to-premium market position, offering audiophile-caliber performance at entry-level to mid-tier pricing. The company sources components globally from Germany, Japan, and the USA, and employs proprietary technologies such as PureWave balanced circuitry to minimize noise and distortion. Rather than competing in the ultra-luxury segment, iFi targets discerning listeners who demand measurable sonic improvement without premium price tags, making it a trusted choice for both portable and desktop audio enthusiasts.
See all iFi Audio listings on RADAR.
