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Technischer Zustand: 10/10
Optischer Zustand: 10/10
Unterdrückt effektiv das Rauschen deines Streamers, DACs (Audio-Konverters) oder PCs!
Funktioniert absolut grandios (wie verrückt)!
Ich würde sogar sagen: Das Teil performt auf dem Niveau von Geräten für locker 500 Dollar und übertrifft in Sachen Rauschunterdrückung sogar so manchen Netzfilter!
Fotos: Originalfotos (was Sie sehen, ist was Sie bekommen)
Verpackung: Sorgfältig verpackt, um Schäden zu vermeiden
Wenn Sie möchten, kann ich Fotos oder Videos von den Geräten machen und senden, die ich verkaufe.
Schreiben Sie mir gerne eine Nachricht — ich antworte schnell.
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Bieten: Offen für Angebote
Ich bin auch bereit, jedes Angebot für einen Tausch Ihrer Ausrüstung zu prüfen, bei dem Sie eine erhebliche zusätzliche Gebühr zahlen und bereit sind, diese ohne weitere Diskussionen zuerst zu versenden.
Standort: Versand aus der Ukraine
This €299 asking price is fair for a used SPEC AC-USB1-K, sitting exactly at the median of recent EUR comparable listings and aligning with the 75th percentile of €299. It is not a bargain, but it is a solid, honest ask for an item in excellent condition, reflecting the stable used market for this specific noise-reduction accessory.
The AC-USB1-K is well-regarded for its ability to stabilize USB power and reduce external noise by plugging into an unused USB port on a DAC or computer, delivering a noticeable sound-quality improvement. Its internal build uses high-grade ruby mica capacitors, a detail that enthusiasts trust for consistent performance. At this price, with excellent condition noted, it represents a straightforward buying opportunity for anyone seeking to clean up their digital audio chain without overspending.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
SPEC is a Japanese hi-fi brand founded in 2010 by former TEAC and Pioneer engineer Shirokazu Yazaki, whose work was driven by a clear aim: to recreate the immediacy and tonal density of valve amplification using modern solid-state design. That origin gives the company a distinctly engineer-led, specialist identity rather than a mass-market one.
The brand is best known for integrated amplifiers and digital disc players, especially SACD players, with its “Real Sound” class D approach at the center of its product philosophy. SPEC also emphasizes proprietary parts choices and circuit tuning, which is part of its appeal to listeners who value voicing and musical presentation over spec-sheet minimalism.
In the market, SPEC sits in the niche high-end category: boutique, technically distinctive, and aimed at committed audiophiles rather than mainstream buyers. Its reputation is strongest among enthusiasts who are curious about unconventional class D implementations with a tube-like character; it is less of a broad-line brand than a specialist one.
See all SPEC listings on RADAR.
