Thanks again to Gonk. 3.5mm mono mini plug for others who may be looking as well.
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Mits WD-Y65
DVDO Edge
DTV HR21-700
Outlaw 990
Outlaw 770
HTPC/Movie Server (21 TB)
OPPO BDP-83
Toshiba HD-D2KU
Velodyne SMS-1
SVS PB2+
Aperion Intimus 6T tower (x2)
Aperion Intimus 6C center
Aperion 522D-LR (x4)
Monster HTS5000MKII
Monster MP-SW200 (x2)
Harmony ONE