Ground Zero Subwoofer (Ground Zero GZRB 16SPL, 16,5cm Gehäuse Bassreflex Subwoofer)
Amazon.com: Lanzar 6.5” Car Subwoofer Speaker - Black Non-Pressed Paper Cone, Aluminum Voice Coil, 4 Ohm Impedance, 600 Watt Power and Foam Edge Suspension for Vehicle Audio Stereo Sound System - MAXP64 : Electronics
Pioneer TS-A1687S 6.5" 4-way Coaxial Car Speakers 350W Max - Walmart.com
Ground Zero Ground Zero GZIW 165 16.5 cm High-Quality Subwoofer Auto- Subwoofer (100 W, Ground Zero GZIW 165 16.5 cm High-Quality Subwoofer)
Sound Way 16.5 cm 2-Wege Auto-Lautspecher mit 120 watts : Amazon.de: Elektronik & Foto
Alpine - HDZ-653 Alpine Status Hi-Res 6-1/2" (16.5cm) 3-Way Component Speaker Set