Amazon.com: Facmogu 2PCS 8in Full Range Audio Speakers, RMS 50W Peak 120W, 4 Ohm Car Vehicle Audio Full Range Drivers, Wide Range DIY Loudspeaker Woofer Replacement - Red : Everything Else
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
Dynavox 204205 Basslautsprecher, 4 Ohm, 130 mm schwarz : 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
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
Amazon.com: American Bass HAWK 15 Inch Dual 4 Ohm Voice Coil 3000 Watt Subwoofer Speaker with 80 Ounce Magnet and Kevlar Fiber Non-Pressed Paper Cone, Red : Electronics