2 JBL S2-1224 1PR 12" 4 or 2 Ohm Subwoofers 12-INCH Woofers 2200 Watts Max 50036326742 | eBay
Tenghong 1pcs 4 Inch Subwoofer Speaker 4/8Ohm 40W Deep Bass Loudspeaker HIFI Bookshelf Woofer Speaker Unit Magnetic Home Theater|Bookshelf Speakers| - AliExpress