Subaru Outback Speaker Size

Front Door Panel Speaker

Rear Door Panel Speaker

Subaru Outback Speaker FAQ

What speakers should I upgrade first in my Subaru Outback?

Start with the front door speakers. They handle most of your music's critical frequencies and vocals. The newer Outback models use 6x9 inch speakers up front, while older ones take 6.5 inch. Either way, front speakers get about 60-70% of your audio signal in most head units. Rear speakers can wait - they're mainly for fill and passengers. Focus your budget on quality front components first, maybe 50-75 watts RMS each. The difference will be immediately noticeable.

Should I choose coaxial or component speakers for my Subaru Outback?

Component speakers typically sound better but cost more and need more installation work. You get separate woofers and tweeters, usually around 4 ohms impedance. Coaxials are simpler - everything built into one unit. For the Outback's door locations, components might give you better imaging since you can position the tweeter separately. But honestly? Good coaxials often outperform cheap components. Budget around $100-200 for decent coaxials, $200-400 for quality components. The factory mounting points work with both types.

Can I install 6x9 speakers in older Subaru Outback models?

Probably not without modification. The 1995-2014 Outback front doors are cut for 6.5 inch speakers. The mounting depth and hole pattern are different sizes. You'd need custom brackets or door panel cutting. Stick with 6.5 inch for older models - plenty of great options available. The rear doors stay 6.5 inch across all years anyway. Sometimes the simpler path gives better results than forcing larger speakers into smaller spaces.

What power handling should I look for in Subaru Outback replacement speakers?

Most factory Outback head units push around 15-20 watts RMS per channel. Look for speakers rated 30-75 watts RMS to give yourself headroom. Peak power ratings don't matter much - focus on RMS. If you're adding an amplifier later, you could go higher, maybe 100+ watts RMS. But the factory electrical system limits how loud you can reasonably go. Efficiency matters more than raw power handling. Speakers rated 88-92 dB sensitivity work well with factory power.

Do all Subaru Outback door speakers need the same impedance?

Standard 4-ohm speakers work fine throughout the Subaru Outback. The head unit expects this impedance. You could mix 4-ohm and 8-ohm speakers, but the 8-ohm ones would play quieter. Not recommended unless you're doing something specific with amplifiers. Some people run 2-ohm speakers but that might stress the factory head unit over time. Stick with 4-ohm for reliability. The wiring harnesses and factory setup assume this standard impedance across all positions.