Amazon.com: JBL Club WS1000 10" Shallow Mount subwoofer w/SSI (Selectable Smart Impedance) Switch from 2 to 4 ohm Bundled with Alphasonik Earbuds : Electronics
JBL BassPro SL2 Active Subwoofer Car Underseat Bass Box, 125-Watt Power Amplifier : Amazon.de: Electronics & Photo
JBL BassPro Nano Ultra-Kompaktes aktives Untersitz Subwoofer Auto Set 15 x 20 cm - 200 Watt Unter sitz Auto Subwoofer Aktiv, schwarz: Amazon.de: Musikinstrumente & DJ-Equipment