Lexus IS F Speaker Size

Front Door Panel Speaker

Rear Deck Lid Speaker

Lexus IS F Speaker FAQ

What speakers should I replace first in my Lexus IS F for the biggest sound improvement?

Replace the front door panel speakers first. These 6.5 inch drivers handle most of your music's critical midrange and vocal frequencies. The front speakers create your stereo image - that's where you'll notice the biggest difference in clarity and detail. Component speakers work particularly well here since you can position tweeters at ear level. The rear deck speakers can wait since they mainly provide fill sound. Focus your budget on quality front components first, maybe 75-100 watts RMS handling capacity.

Can I install component speakers in both front and rear locations of my Lexus IS F?

Yes, both the front door panels and rear deck lid accept component speakers. However, the rear deck installation might be more challenging since you'll need to mount tweeters somewhere logical - possibly the rear parcel shelf area. The front doors typically have factory tweeter locations that make component installation straightforward. Component separation really shines up front where imaging matters most. Rear components could improve staging but... honestly, good coaxials back there often provide better value unless you're building a serious system.

What's the difference between coaxial and component options for my Lexus IS F speakers?

Coaxial speakers combine the tweeter and woofer in one unit - simpler installation, typically lower cost. Components separate these elements, letting you position the tweeter optimally for better soundstage. In the IS F, components make more sense up front where you sit. The crossover networks in component systems usually handle frequency division more precisely than coaxial designs. Expect to spend 60-70% more for decent components, but the imaging improvement in the front stage... it's substantial. Rear deck coaxials often work fine since precise imaging isn't as critical back there.

Will full-range speakers work better than coaxials in my Lexus IS F rear deck?

Full-range speakers can work well in the rear deck lid position, but they're essentially coaxials without the separate tweeter. They might actually sound smoother since there's no tweeter integration issues to deal with. The rear deck location tends to emphasize bass frequencies anyway due to the trunk cavity coupling. Full-range drivers around 40-20kHz response should provide adequate fill sound. However, if your front speakers already handle the full spectrum well, you might not notice much difference. Consider the power handling - rear deck speakers often see less power than fronts in most factory amplifier configurations.