JBL GTR601 Mono subwoofer amplifier — 600 watts RMS x 1 at 2 ohms - Creative Audio
JBL BassPro Hub | 11" (279mm) Spare tire subwoofer with built-in 200W RMS amplifier with remote control.
JBL Club A1000 1000W Subwoofer Amplifier with 2x 12" Subwoofers & Wiring Kit | eBay
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 STX818S 18-Inch Passive Subwoofer with Crown XLi3500 Power Amplifier | PSSL ProSound and Stage Lighting