JBL BassPro SL 8" 125w RMS Powered Active Slim Underseat Car/Truck Subwoofer Sub - Walmart.com
Harman JBL Basspro SL Car Subwoofer Amplifier Built in Power High and Lower Level Hifi Auto Audio Slim 125W 8" 200mm|Enclosed Subwoofer Systems| - AliExpress
MS-10SD4 SLIM | An advanced-design, shallow-mount, 4-ohm dual voice-coil subwoofer delivering phenomenal bass in a small space
JBL Stage 1200S Single 12" Subwoofer with Sealed Slim Enclosure | Best Buy Canada