Axton ATW16 16 CM Subwoofer 2 x 2 Ohm 75 Watt RMS Subwoofer New 7612309103486 | eBay
Gladen HG-165E46-3 16cm woofer for BMW
6inch 16cm Diameter Black Auto Speaker Cover Round Metal Mesh Car Subwoofer Speaker Cover Car Speaker Protective Cover|Interior Mouldings| - AliExpress
Dayton Audio Classic Series Speaker Unit 16cm Woofer | Sub Woofer Speakers | Croooober
Gladen GA-165SLIM-3 16cm flat-midrange woofer
Dayton Audio Classic Series Speaker Unit 16cm Woofer | Sub Woofer Speakers | Croooober
Axton ATW16 16 CM Subwoofer 2 x 2 Ohm 75 Watt RMS Subwoofer New 7612309103486 | eBay