Ground Zero GZHW 25XSPL-D2-25 cm Passive Subwoofer with 2500 Watt (RMS: 1200 Watt) : Amazon.de: Electronics & Photo
Crunch CRB-250 Single Bandpass Subwoofer 500W: Amazon.de: Electronics & Photo
Sinuslive Auto-Subwoofer passiv 1000 W SL-W365K: Amazon.de: Electronics & Photo
Crunch CRB250 Auto-Subwoofer passiv 500W: Amazon.de: Elektronik & Foto
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