Mazda 3 speaker upgrades - OzMazdaClub.com - Australia's Best ...

Im looking at the Pioneer PRS range. Front and Rear - Pioneer TS-C171PRS, Amp: PRS-D4100F They are great sounding speakers but are quite big. Has anyone ever fitted these? Also will 6.75" speakers fit the 5x7 gap? ... BM3, Car Audio Related , 46, 30th August 2009 08:15 PM. Mazda 3 SP25 Speaker/Tweeter, BradstaMS, Car Audio Related, 4, 21st August 2009 06:33 PM. Mazda 3 Factory speaker plug, risgeo, Car Audio Related, 2, 10th August 2009 09:57 PM ...