Ford Focus MK2 2004-2011 JL Audio 10W0V3-4 - 10" Inch 300 Watts Car Subwoofer Custom Bass Box Kit
Quick SQ Build Log: 2014 Ford Focus ST: Morel, Mosconi, Arc, AM EVO 8" | DiyMobileAudio.com Car Stereo Forum | Ford focus st, Ford focus, Custom car audio
25 cm Subwoofer Ground Zero GZTW10F für Ford Focus MK2, 279,00 €
Ford Focus MK2.5 RS ST 1320 Watts 5 Door Front & Rear Car Speaker Upgrade Kit | eBay
FORD FOCUS MK2 (2004-2011) - CAJA ACUSTICA PARA SUBWOOFER ESPECÍFICA PARA HUECO EN EL MALETERO
Ford Focus Subwoofer Specs and Replacement Options - YouTube
BASSER Ford Focus Mk2 - 10" Fit-Box Subwoofer Enclosure 17L