Pioneer TS-A2000LB Passive Subwoofer, Powerful Enclosure Subwoofer with 700 W Maximum Power, 20 cm, IMPP Membrane, Black, Continuous Output Power 250 W : Amazon.de: Electronics & Photo
Crunch Car Subwoofer Passive 600 W GTO 10BP : Amazon.de: Electronics & Photo
ESX V1600A | Active Subwoofer Cube - 20 cm (8 Inch) Active Subwoofer with 8 Inch Passive Membrane : Amazon.de: Electronics & Photo
Amazon.com: KICKER TRTP 12-inch (30cm) Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm, RoHS Compliant : Electronics
Ground Zero GZHW 25XSPL-D2-25 cm Passive Subwoofer with 2500 Watt (RMS: 1200 Watt) : Amazon.de: Electronics & Photo