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Offered is „Progression M 550 Mono Endstufen silver“ by Dan D Agostino as exhibit from the category „Transistor-Poweramp“ on audio-markt.de - the online market place for high-end. The advert with the number 1685399914 ends on 30.10.2026 at 06:23 o'clock.
Compared with the obvious alternative of waiting for a mid-pack used deal, this sits below the 25th percentile of the recent comparable EUR listings, so €19,900 looks like a strong buy rather than merely fair. Against a median of €22,901 and a 25th percentile of €21,368, it’s priced with real room to spare, and that matters at this level.
This is the kind of amplifier people buy for scale, control, and effortless current delivery: the Progression Monos are well regarded for big, composed dynamics, deep grip on difficult speakers, and that polished Dan D’Agostino sound with real authority. If the unit is genuinely clean and complete, the upside is simple—excellent performance at a price that leaves headroom versus the usual used market.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Dan D’Agostino Master Audio Systems is a U.S. high-end audio brand founded in 2011 and based in Cave Creek, Arizona. It was created by Dan D’Agostino, one of the most influential names in modern American amplification and the longtime founder of Krell. The brand grew out of his decades of work in high-performance audio, with a clear emphasis on combining serious engineering, distinctive industrial design, and a deeply music-first philosophy.
The company is best known for amplification: flagship integrated amplifiers, power amplifiers, and preamplifiers are its core products, alongside phono stages and DACs in some lines. Its components are built for serious two-channel systems rather than broad consumer audio, and the lineup is organized around a few highly refined families rather than a wide mass-market catalog. Dan D’Agostino does not focus on speakers, turntables, headphones, or cables as its main identity.
In the market, Dan D’Agostino sits firmly in the ultra-high-end, boutique category. It is a statement brand associated with audiophile reference systems, luxury cabinetry, and very high performance expectations. Buyers tend to see it as a prestige manufacturer with strong engineering credibility and a distinctive visual signature, aimed at enthusiasts who want no-compromise amplification at the top end of the market.
See all Dan D'Agostino listings on RADAR.
Audio Connection
Dealer
AU
audio-markt.de
Good
audio-markt.de
Good
audio-markt.de
Good
DE
audio-markt.de
Good
audio-markt.de
↓ 11%
Good
