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Seller's Description

Offered is „STAX SRS-4040 Signature System (SR-404 + SRM-006t) – One Owner, Low Use“ by STAX as second-hand device from the category „Headphone“ on audio-markt.de - the online market place for high-end. The advert with the number 5672454517 ends on 02.11.2026 at 10:55 o'clock.

Our Thoughts RADAR AI

Condition is good, and at €640 this is on the high side for a used SR-404 Signature. Recent European asks cluster much lower, roughly around €280 to €400 for working used pairs, with a stronger example nearer €485, so €640 looks ambitious unless it’s unusually complete or serviced.

What makes it worth a look is the SR-404 Signature itself: a classic Lambda-era Stax that still gives you the airy, fast, very open electrostatic presentation people buy Stax for. In good condition, that matters because these are beloved for midrange clarity and speed more than brute force. At this price, I’d want proof of fresh pads, intact cable, and ideally a matching energizer or extra accessories to justify the premium.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About Stax

Stax traces its origins to 1938 in Tokyo, Japan, when Naotake Hayashi founded Showa Kouon Co., Ltd. in Chiyoda-ku. Initially focused on wax disc recording, metal master production, and audio equipment for film soundtracks, the company evolved through the postwar era. In 1950, it launched its first high-frequency condenser microphone, adopted by NHK, and renamed itself STAX Co., Ltd. in 1963, honoring its pioneering Stax-1 mic. A brief suspension in 1995 due to economic pressures gave way to revival, preserving its legacy under family leadership.

The brand specializes in electrostatic headphones, known as "EARSPEAKERS," debuting with the world-first SR-1 in 1960. This innovation spawned enduring lines like the SR series, produced for decades with incremental refinements for superior resolution and staging. Stax complements these with dedicated electrostatic amplifiers and select accessories, eschewing conventional speakers, turntables, DACs, or cables to hone its transducer expertise.

Stax commands a niche high-end position among audiophiles and professionals, revered for unmatched transparency and fidelity that rivals cost-no-object loudspeakers. Its 85-year heritage cements it as a boutique icon in electrostatic technology, far from mass-market fare, appealing to discerning buyers seeking pinnacle sonic transduction.

See all Stax listings on RADAR.

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