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Verkaufe eine originale ATI AT4004 Signature Series 4-Kanal-Endstufe.
Die Highend-Endstufe leistet 200 W RMS an 8 Ohm und 300 W RMS an 4 Ohm pro Kanal, dadurch gut geeignet für Bi-Amping oder Mehrkanal-Setups.
Absolut neuwertig ohne Kratzer, Dellen oder Gebrauchsspuren, Funktion einwandfrei.
Vollsymmetrische differentiale Class-AB-Schaltung mit Current-Feedback, Dual-DC-Servos und ThermalTrak-Ausgängen, RCA- und XLR-Eingänge.
Pro Kanal 12 Ausgangsstufen sowie 46,200 µF Siebung, zwei Ringkerntrafos mit getrennten Wicklungen, Gewicht 41 kg bei 4 HE.
Enthalten sind Originalverpackung, Rechnung, Bedienungsanleitung und zusätzliche Rackohren.
Weiteres Zubehör wie abgebildet, ohne weitere nicht genannte Teile.
ATI’s multichannel amps have a strong reputation for stout power, low-noise operation, and a no-nonsense build that appeals to serious home-theater and music buyers alike. At €2,550, this one sits above the 75th percentile of the recent used pool (€2,334) and well above the median (€1,297), so the asking price is ambitious rather than a bargain.
What keeps it interesting is the product itself: a 4-channel Signature Series amp from a maker known for real-current delivery and long-term reliability, which can be a smart buy if you need clean headroom for difficult speakers or an elegant single-chassis solution. If the unit is truly excellent, ideally with original packaging, documentation, and a clean service history, that supports the ask; without those extras, buyers should expect to negotiate, because the premium here is for condition and completeness as much as for the amp.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
ATI is best known as an American amplifier specialist rather than a broad hi-fi brand. The company has been designing and manufacturing audio power amplifiers for more than three decades in Los Angeles, California, and its identity is centered on engineering and in-house production rather than lifestyle branding.
Its core product focus is amplification: stereo power amps, multichannel home-theater amplifiers, and related custom-installation and pro-audio hardware. ATI is not primarily associated with speakers, turntables, DACs, headphones, or cables; its reputation is built on amplifier design and contract manufacturing for other brands as well as its own name.
In the market, ATI sits in the serious mid-to-high-end bracket, with a strong niche following among knowledgeable buyers, custom installers, and home-cinema enthusiasts. Reviewers and dealers commonly describe it as a maker of powerful, clean, technically solid amplifiers rather than a flashy luxury brand, which gives it a reputation for value-oriented performance at the enthusiast level.
See all ATI listings on RADAR.
