BassPro SL2 | ["Add high-performance bass with a low-profile woofer enclosure", "Self-Powered, 8\" (200mm) low-profile under seat subwoofer system"]
JBL (ESC550) Simply Cinema BASS 550 Subwoofer and Cable Only | eBay
CS1214T | Bass tube with 30 cm (12 inch) subwoofer, can take peak load of 1000 Watts
JBL BassPro Nano - JBL APAC NC
Amazon.com: JBL Xtreme 3 - Portable Bluetooth Speaker, powerful sound and deep bass, IP67 waterproof, 15 hours of playtime, powerbank, PartyBoost for multi-speaker pairing (Blue) : Electronics
Amazon.com: JBL SUBBP12AM - 450 Watts (150W RMS) 12” Amplified 12 in. Ported Subwoofer with Sub Level Control and Distortion Free Bass with Gravity Magnet Phone Holder Bundle : Electronics
JBL Flip 6 Wireless Portable IPX7 Waterproof Deep Bass Bluetooth Party Speaker | eBay
JBL BassPro Nano Compact powered subwoofer with 6"x8" sub and 100-watt amp at Crutchfield
JBL BASSPRO 8" Single-Voice-Coil Loaded Subwoofer Enclosure with Integrated Amp Black SUBBPSL2AM - Best Buy