Fiat 850 Speaker Size

Dashboard Speaker

Front Door Panel Speaker

Rear Deck Lid Speaker

Fiat 850 Speaker FAQ

Which speakers should I replace first in my Fiat 850 for the biggest sound improvement?

Start with the 5.25 inch rear deck speakers. They handle the most power and give you the biggest bang for your buck. The rear deck location naturally amplifies bass response compared to those cramped 4 inch dashboard spots. Component speakers work best here - separate the woofer from tweeter for cleaner sound staging. Front doors come second priority, then dashboard last since those 4 inch drivers are pretty limited anyway.

What's the difference between coaxial and component speakers for the Fiat 850's rear deck?

Component speakers separate the tweeter from the woofer. Better imaging, cleaner highs. You'll need to mount that tweeter somewhere though - maybe the rear package tray if there's space. Coaxial puts everything in one unit. Easier install, decent sound for most people. The 5.25 inch rear deck can handle either type, but components really shine if you're running 50+ watts RMS. Full-range drivers work too but they're kind of... basic.

Can I fit larger than 4 inch speakers in the Fiat 850's front doors?

Probably not without major cutting. Those door panels weren't designed for modern speaker sizes. The 4 inch opening is what you get. Component systems might work better here - run a small 4 inch woofer in the door, then surface-mount tweeters up high. Improves staging compared to coaxials stuck down low. Check your door thickness first though. Some aftermarket 4 inch speakers are deeper than factory units.

What impedance should I look for in Fiat 850 replacement speakers?

8 ohm speakers typically work best with vintage car stereos. Modern 4 ohm speakers might overload older amplifiers. If you're running an aftermarket head unit, 4 ohms are fine and actually preferred - better power transfer. The rear deck 5.25 inch speakers can handle more current anyway. Dashboard speakers... honestly they're so small that impedance barely matters. Just don't mix different impedances on the same channel.

Are full-range speakers worth considering for the Fiat 850 dashboard location?

Full-range makes sense for dashboard mounting in the Fiat 850. Single driver design fits better in tight spaces. No crossover networks to worry about. Sound quality won't match components but for background music it's adequate. Look for something around 20-30 watts RMS handling. The dashboard position isn't ideal acoustically anyway - you're mostly filling in mid frequencies that the rear speakers miss.