BassPro II | Compact bandpass subwoofer with built-in amplifier, Input for Line, Hi or Lo input
JBL BassPro Micro Dockable Class D 140 Watts RMS Powered Car Audio Subwoofer System Bundle with 8 Gauge Amplifier Wiring Installation Kit - Road Entertainment
JBL GT-BassPro12 Ported powered subwoofer with 12" sub and 150-watt amp at Crutchfield
JBL BASSPROMICRO BassPro Micro Dockable Powered Subwoofer System Car Subwoofers - Newegg.com
JBL BassPro Hub | 11" (279mm) Spare tire subwoofer with built-in 200W RMS amplifier with remote control.
JBL CS1214 1000-watt, 12" Car Audio Subwoofer, Black - Walmart.com