Subaru BRZ Speaker Size

Front Door Panel Speaker

Rear Speaker

Subaru BRZ Speaker FAQ

What speakers should I upgrade first in my Subaru BRZ?

Start with the front door panel 4 inch speakers. They handle most of your midrange and vocal frequencies, so you'll notice the biggest improvement there first. The rear 3.5 inch speakers can wait - they're mainly for fill and ambient sound. Focus your budget on quality 4 inch coaxials or components for the front doors. You'll get better imaging and clarity where it matters most.

Can I install component speakers in my BRZ front doors?

Yes, the front door panels can accommodate both coaxial and component setups. Components will give you better sound staging since you can position tweeters separately. You'll need to mount tweeters in the door panels or A-pillars though. The 4 inch woofers fit the existing mounting points. Consider your installation skills - components require more wiring and tweeter placement decisions.

What power handling should I look for in BRZ replacement speakers?

Aim for speakers that can handle 20-50 watts RMS. The stock Subaru BRZ head unit probably puts out around 15-20 watts per channel. If you're planning an amplifier upgrade later, get speakers rated for 50-75 watts RMS. Don't get caught up in peak power ratings - they're mostly marketing. RMS is what actually matters for daily driving.

Why are the rear speakers only 3.5 inch in the BRZ?

Space constraints in the rear deck area. The BRZ's low-slung design doesn't leave much room back there. These 3.5 inch coaxials are really just for rear fill - they won't produce much bass anyway. You might get some midrange presence from them. The front 4 inch speakers do the heavy lifting for vocals and instruments. That's why upgrading rears isn't usually worth the effort in sports cars like this.

What impedance should replacement speakers be for my Subaru BRZ?

Stick with 4 ohm speakers. That's the standard for most car audio systems and what the BRZ's electrical system expects. You could potentially use 8 ohm speakers but they'll be quieter - the head unit will see higher impedance and reduce output. 2 ohm speakers might overload the factory amplifier circuits. 4 ohms gives you the best balance of volume and compatibility.

Do the BRZ speakers need specific mounting depths?

The 4 inch front speakers typically need shallow mounting depths - probably around 1.5-2 inches maximum. Door panels don't have much clearance behind them. The 3.5 inch rears might have even less space in the rear deck. Always measure before ordering. Some aftermarket speakers are deeper than stock ones. You don't want to hit window mechanisms or door panel backing when the windows go down.