JBL SRX828SP | 18" Dual Self-Powered Subwoofer System
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
JBL BassPro Hub Powered 11" subwoofer enclosure with 200-watt amp — mounts to hub of spare tire at Crutchfield
JBL BassPro 12 Ported powered subwoofer with 12" sub and 150-watt amp at Crutchfield
JBL SRX928S 2,500-watt 2 x 18-inch Powered Subwoofer | Sweetwater
Amazon.com: JBL Professional PRX915XLF Next-Generation 15-Inch Powered Portable 2-Way Subwoofer with DSP, 12-band parametric EQ, and Built-in Effects : Electronics
JBL SRX928S Dual 18" Powered Subwoofer SRX928S B&H Photo Video
Buy Used JBL SB-2210 Passive Speaker | Sam Ash Music
JBL SRX828SP 2000W Dual 18 inch Powered Subwoofer | Sweetwater