Lexus LX570 Speaker Size

Rear Door Panel Speaker

Front Door Panel Speaker

Lexus LX570 Speaker FAQ

Which speakers should I upgrade first in my Lexus LX570 for the biggest sound improvement?

Start with the front door 6.75 inch speakers. These handle most of your music's midrange and vocal frequencies, so replacing them gives you the most noticeable upgrade. The front door panels in the LX570 can accommodate both coaxial and component speakers - components will give you better imaging but coaxials are simpler to install. Look for speakers rated around 50-75 watts RMS with 4-ohm impedance. The rear doors can wait since they mostly provide fill sound.

Can I install component speakers in all door locations of my Lexus LX570?

The front doors definitely support component systems with separate woofers and tweeters. However, the rear door setup is trickier - you have both 6.75 inch and 4 inch locations back there. The smaller 4 inch spots might be designated tweeter locations already, which could complicate a component install. Stick with coaxials for the rear 6.75 inch spots to keep things simple. Component speakers up front will handle the critical stereo imaging anyway.

What's the difference between the 6.75 inch and 4 inch rear speakers in the Lexus LX570?

The 6.75 inch speakers handle the main rear audio duties - they're probably pushing frequencies from around 80Hz up to maybe 4kHz. Those 4 inch speakers are likely dedicated to upper midrange and treble, covering roughly 2kHz to 15kHz or so. This creates a more balanced rear soundstage than just having one speaker size. When upgrading, focus your budget on quality 6.75 inch replacements first since they move more air and impact the overall sound character more significantly.

Should I match speaker brands between front and rear doors in my Lexus LX570?

It's not strictly necessary, but it helps maintain consistent tonal characteristics throughout the cabin. The front 6.75 inch speakers do most of the heavy lifting anyway. If budget's tight, get premium speakers for the front doors and decent mid-range options for the rear. Just avoid mixing vastly different efficiency ratings - try to keep sensitivity within 2-3 dB between locations or you'll get volume imbalances that are hard to correct with your head unit's fader control.

What power handling should I look for in Lexus LX570 replacement speakers?

The factory system probably pushes around 20-30 watts to each location, so anything rated 40+ watts RMS will be an improvement. For the 6.75 inch locations, speakers handling 60-100 watts RMS give you good headroom without being overkill. The 4 inch rear speakers don't need as much - 30-50 watts RMS is plenty since they're mainly handling highs anyway. Higher power handling usually means better build quality and less distortion at moderate volumes, which matters more than peak loudness in the LX570's well-insulated cabin.