JBL Control 312cs Ceiling Subwoofer #3888 (One) TRUEHEARTSOUND | eBay
One unit (not pair) |15 Inch Woofer for Bass Compensation of Open Baffle or Cabinet | W-15 – Lii Song (Lii Audio), unique speaker, amplfier, quality and cost-saving parts for HiFi DIY
JBL - SUB 200/230 Subwoofer speaker set - Catawiki
Car Subwoofer Speaker Home Theater Sound HIFI Loudspeakers 4 8 Ohm 100W 6.5 Inch | eBay