Heads Up: SDA-2 PR and Some Other Stuff on eBay

Just came across these listings from a local electronics recycler, perhaps someone on here is looking for some of these parts:
https://www.ebay.com/sch/i.html?_dkr=1&iconV2Request=true&_blrs=recall_filtering&_ssn=comprenewonline&store_name=shopcomprenew&_oac=1&_nkw=polk

Note: I'm not affiliated.