However, it is highly likely you are referring to one of the following two products, which share similar naming conventions:
The Sony SSD902AV is not a "holy grail." You will not see it on Audiogon for $2,000. It is a blue-collar speaker. It represents the moment when Sony realized that consumers wanted the feeling of a movie theater explosion in their living room, even if the math wasn't perfect. sony ssd902av
This article is a deep dive into the history, specifications, repair quirks, and sonic signature of the Sony SSD902AV. However, it is highly likely you are referring
If you are selling or showcasing this item, you might focus on: Type: 3-way, bass reflex Woofer: 10” or 12”
is available for download through specialty audio archival sites. spec-by-spec comparison
Stabilized Speed: Built-in "Garbage Collection" to prevent frame dropping during high bit rate recording. Sony SSD-902-AV Loudspeaker - On Demand PDF Download
Placement Tip: For the best listening experience, it is recommended to place the speakers so that the tweeters are at ear level to ensure optimal imaging and detail. SONY S.A.W 'SUPER WOOFER' SPEAKER TEST