Hi Ethan,
A Google turned out that the AR model AW871 amplified wireless speakers have replaced
the AW820. Same specs – slightly different appearance.
Additionally, you may want to check out
here for possible AW820.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
Good luck and kind regards.
Thank you for using FixYa.
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