Amazon.com: JBL Stage 810 800W Max 8" Stage Series Single 4 ohm Car Audio Subwoofer Speaker Bundled with Alphasonik Earbuds : Electronics
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 CS1214 1000-watt, 12" Car Audio Subwoofer, Black - Walmart.com