


Stax SR-X9000 Electrostatic Headphones
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Stax SR-X9000 Electrostatic HeadphonesThe Flagship SR X9000 features the new MLER 3 four layer fixed electrode combined with a big metal mesh, reducing air resistance and the effect of reflection, and thus delivering far higher sonic transparency. Metal mesh is the ideal material of fixed electrodes, but can be very difficult to manufacture. STAX applied their diffused junction (thermocompression bonding) technology, acquired when manufacturing the SR 009 and SR 009S, which has produced
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.3 ★★★★★
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Product Reviews
★★★★★ 4
Good fit
Worked well with no problems.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 24, 2026
★★★★★ 5
Great replacement kit
Called around for quotes to get them replaced and everyone was quoting over $2k just for bellows. Figured I’d give it a try. The rubber is good quality and feels soft. Time will tell but this is an easy job if you’re mechanically inclined. Make sure you replace the plastic water pickup fitting while you’re at it. Found mine to be cracked on disassembly and had to wait for a new one. Should be a easy 3-4 hour job if your not doing the bearing and only doing bellows
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Reviewed in the United States on August 26, 2024
★★★★★ 3
Just ok
Qualities OK, but for Marine applications might want better
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Reviewed in the United States on August 3, 2025
★★★★★ 5
Great quality
Just as described.
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Reviewed in the United States on July 22, 2025
★★★★★ 5
Bellows kit review initial inspection’s
Very good quality. The hose clamps were event the better ones you have to pay extra in most cases.
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Reviewed in the United States on April 6, 2025
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