Focal has designed the audio system of the new DS4
Focal ISPSA165 Speaker Citroen DS4 Crossback By 2015 Front And Back Door 3544053750705 | eBay
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Triad Designer Series Data Sheet
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Focal ISPSA165 Speaker Citroen DS4 Crossback By 2015 - Front And Back Door 3544053750705 | eBay