Amazon.com: DS18 SLC12S Car Subwoofer Audio Speaker - 12" in. Paper Glass Fiber Cone, Black Steel Basket, Single Voice Coil 4 Ohm Impedance, 500W MAX Power and Foam Surround for Vehicle Stereo
Visaton W 200 Tieftöner 4 Ohm : Amazon.de: Elektronik & Foto
Audio-Lautsprecher, 52 mm, 4 Ohm, 10 W, volle Reichweite, Lautsprecher, Bass, Multimedia-Lautsprecher für Audio-Heimwerker, 2 Stück : Amazon.de: Elektronik & Foto
Dynavox 165mm Basslautsprecher 4 Ohm, kompaktes Bass-Chassis mit Gummi-Sicke für Selbst-Einbau in Boxen-Gehäuse, für Mittel-und Tieftonwiedergabe, Schwarz, 204206 : Amazon.de: Elektronik & Foto
Amazon.com: Black Diamond Car Audio 15" Bass Subwoofer 4-Ohm Dvc 600 Watts DIA-15D4 : Electronics
Amazon.com: Gravity Audio 1200W Professional 12" Power Car Subwoofer 4 OHM IMPED Dual Voice Coil GR-12PW : Electronics
Amazon.com: 10" Car Audio Speaker Subwoofer - 1000 Watt High Power Bass Surround Sound Stereo Subwoofer Speaker System - Non Press Paper Cone, 90 dB, 4 Ohm, 50 oz Magnet, 2 Inch
Amazon.com: Harmony Audio HA-R104 Car Stereo Rhythm Series 10" Sub 500W Single 4 Ohm Subwoofer : Electronics
Amazon.com: Gravity Warzone 12 Inch 3000 Watt Car Audio Subwoofer w/ 4 Ohm DVC Power (Single) : Electronics
Tieftöner 20cm (8") 4 Ohm : Amazon.de: Elektronik & Foto