STAX SR-009D Earspeaker $2,890 Review

June 9, 2026 § Leave a comment

Though the synergy with the SRM-700T energizer was spectacular, the SR-009D cable is a standard 5-pin design and will work with any other 580V Pro bias electrostatic amplifier on the market. Using STAX’s own SRM-D10ll portable driver, which retails for $945.00 and which I’ve reviewed and can recommend highly, can liberate the SR-009D from the desktop and can play up to DSD128 music files.

STAX is held in an almost mythical regard by audiophiles who seek the holy grail of the perfect reproduction of music, though it may never be possible to capture that enchanting goal. And STAX has competition these days, ironically because it was STAX that brought the magic of their earspeakers to the audio world and inspired other companies to reach for that elusive sound. We all benefit as these companies strive to reach the gold, but STAX is not resting on its exalted history; it is clearly continuing to innovate as the SR-009D clearly demonstrates.

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