2 PCS 4 Inch Bass Speaker Passive Radiator Film Round Subwoofer Diaphragm Pla...

2 Pack 4 Inch Woofer Vibrating Membrane Iron Rubber Vibration Diaphragm Plate...

2pcs 4 inch Woofer Membrane Iron Rubber Loudspeaker Membrane Passive Bass Dia...

2pcs 4 inch 112mm Speaker Passive Radiator Auxiliary Bass Diaphragm Repair Parts

2pcs 4 inch Round Speaker Passive Radiator Auxiliary Bass Diaphragm Repair Parts

6" 160mm Bass Speaker Passive Radiator Rubber Vibration Plate

2 Pcs Passive Radiator 4 Inch Round Woofer Vibrating