Diamond Multimedia Monster Sound MX300 PCI Sound Card Boxed For Sale
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Diamond Monster Sound MX300 Sound Card Aureal Vortex 2 AU8830 Japan Version
Up for sale is a legendary Diamond Multimedia Monster Sound MX300 PCI audio card, powered by the highly sought-after Aureal Vortex 2 (AU8830) processor chip.
Widely regarded by retro hardware enthusiasts as the pinnacle of late-90s positional 3D audio, the MX300 delivers hardware-accelerated A3D 2.0 spatial sound, offering superior sound placement in classic PC games compared to competing EAX tech of its era.
Condition & Testing
Cosmetic Condition: Excellent vintage condition. Clean PCB, gold contacts are intact, bracket shows no rust.
Functional Status: Fully tested and working. System boots clean, drivers initialize without conflict under Windows 98 SE, and both front/rear audio channels output clear, crisp sound without distortion.
Important
Compatibility with modern operating systems is limited. This card is best suited for period-correct retro PC systems using compatible Windows 9x-era drivers.
You will receive exactly what is shown in the photos. No additional accessories, cables, drivers, software, or documentation are included unless specifically shown.
A great addition to a retro gaming PC, Windows 98 build, or vintage sound card collection.
Card will be shipped in an anti-static bag and carefully packaged.
