Rx8 bose speaker replacement. Come and see us for an MTX Audio upgrade or . I’m replacing the Bose amp and all Bose speakers but the rx8 forum says it’s a 9” door speaker, is that really the size it sounds kinda big. I'm looking for a minor upgrade that won't sound wonky, and not the insane stuff that I've done in previous cars. I have the bass turned all the way up to 6. That being said, you can drastically affect the sound stage and possibly improve or ruin the sound stage. Anyone Looking to add a custom amp and sub to my RX8 with the Bose stock system. Pontiac Porsche Saturn Scion Subaru Suzuki Toyota Volkswagen Volvo Mazda Bose Amplifier/Speaker and Car Stereo Repair All BOSE amplifier repairs have a Lifetime warranty, car stereo one year. Find stereos, speakers, custom sub boxes and more for your RX-8. Best suggestions for speakers that wont break the bank but sound better than stock. Finished adding an aftermarket headunit to my rx8 and just noticed rear drivers side speaker is gone. pjn f0s lmejs mby hakebcc vupp tzrdv tls4e vsvitx lur