Amazon.com: JBL BassPro SL2 Active Underseat Car Subwoofer with Built in Amplifier - Under Seat 8'' Subwoofer Car with 125 Watt Power Amplifier : Electronics
JBL Bass 2 Active Subwoofer System Manual | HiFi Engine
JBL BassPro Hub 11" Single-Voice-Coil 2-Ohm Subwoofer with Integrated 200W Class D Amplifier Black JBLBASSPROHUBAM - Best Buy
Pair of JBL PRX912 2000-Watt 12-Inch 2-Way Powered PA Speakers w/ PRX918XLF Subwoofer & Cables