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The SRM-D10 has a strong reputation as a compact, genuinely capable Stax energiser/DAC, so the asking price sits a bit above the current used market but not wildly so. At £619 against a recent GBP median of £532, with the upper quartile at £575, this reads as slightly ambitious rather than a standout bargain.
What keeps it interesting is the format: portable, all-in-one, and very handy for a serious Lambda or in-ears rig without needing a full desktop chain. If it’s complete, clean, and includes the right charging and connection bits, the convenience and niche appeal can justify paying near the top of the range; I’d just want a little room to negotiate unless the condition is exceptional.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
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.
