JBL BassPro 12 Ported powered subwoofer with 12" sub and 150-watt amp at Crutchfield
Amazon.com: JBL Boombox 2 - Portable Bluetooth Speaker, Powerful Sound and Monstrous Bass, IPX7 Waterproof, 24 Hours of Playtime, Powerbank, JBL PartyBoost for Speaker Pairing, for Home and Outdoor(Black) : Electronics
New JBL® Aftermarket Subwoofers Offer Deep Accurate Bass for Drivers | HARMAN