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
Amazon.com: Kicker 48TCWRT102 10" Slim Car Subwoofer Bundle with Rockville KRYPTON-M1 2000w Peak/500w RMS Mono 1 Ohm Car Amplifier Amp+Remote & Rockville RWK41 Installation Wire Kit with RCA's (3 Items) : Electronics
Amazon.com: Rockville SBG1128 12" 600 Watt Passive Pro DJ Subwoofer, MDF Cabinet/Pole Mount : Musical Instruments