Lexus NX300h Speaker Size

Front Door Panel Speaker

Rear Door Panel Speaker

Lexus NX300h Speaker FAQ

What speakers should I replace first in my Lexus NX300h for the biggest sound improvement?

Replace the front door panel speakers first. These 6.5-inch positions handle most of your music's critical midrange and vocal frequencies. The front speakers in the Lexus NX300h create your primary soundstage - everything else builds from there. You'll notice the difference immediately since you're sitting closer to them. Rear speakers can wait unless you frequently carry passengers who complain about sound quality.

Can I install component speakers in all Lexus NX300h door positions?

Yes, both front and rear door panels accept component systems. The 6.5-inch openings work well with most aftermarket component sets. Front doors benefit more from components since that's where imaging matters most. Rear positions might be fine with quality coaxials - depends on your listening priorities. Component systems separate tweeters from woofers, giving you better control over frequency placement. Just verify your amplifier can handle the typical 4-ohm load that most components present.

What's the difference between coaxial and full-range speakers for the Lexus NX300h rear doors?

Full-range speakers typically extend higher in frequency response, often reaching 20kHz or beyond. Coaxials mount a tweeter directly on the woofer cone - simpler design, easier installation. Full-range designs might use whizzer cones or specialized cone materials instead. For rear fill in the Lexus NX300h, either works fine. The distinction gets blurry anyway since many manufacturers use these terms interchangeably. Focus on frequency response charts rather than marketing labels when comparing specific models.

Do I need an amplifier for 6.5-inch aftermarket speakers in my Lexus NX300h?

Not necessarily, but it helps. The factory head unit probably outputs around 15-20 watts RMS per channel. Most quality 6.5-inch speakers can handle 50-100 watts RMS and will sound better with more clean power. If you're keeping the stock system, look for speakers with sensitivity ratings around 88-92 dB. Higher sensitivity means they'll play louder with less power. An amplifier becomes more important if you choose component speakers or want serious volume levels.

Will 6.5-inch speakers fit perfectly in my Lexus NX300h door panels?

The mounting depth might be the limiting factor. Most 6.5-inch speakers need roughly 2.5-3 inches of clearance behind the mounting surface. Door panel electronics, window mechanisms, and structural bracing can interfere. Measure before ordering - especially if you're considering speakers with larger magnets or deeper baskets. Some aftermarket options include shallow-mount designs specifically for tight installations. The diameter should be fine since that's the standard factory size for both front and rear positions.