Pontiac Montana Speaker Size

Rear Speaker

Front Door Panel Speaker

Dashboard Speaker

Pontiac Montana Speaker FAQ

What speakers should I upgrade first in my Pontiac Montana?

Replace the front door panel 6.5-inch speakers first. These handle most of your mid-range frequencies and vocals - around 80-15000 Hz typically. The front stage creates your primary listening experience. Component speakers work best here since they separate tweeters from woofers, giving you better imaging. You'll probably want something handling 50-100 watts RMS. The rear speakers can wait unless you're carrying passengers regularly.

Can I install 6x9 speakers in older Montana models?

The 2005-2006 Pontiac Montana supports 6x9 rear speakers, but earlier models use 6.5-inch. You'd need to modify the mounting area. The 6x9 format gives you more cone area - maybe 15-20% more output in the low frequencies. But the modification might not be worth it. Better to get quality 6.5-inch speakers with good excursion capabilities. Look for something with 4-8mm xmax if you want decent bass response.

Should I choose coaxial or component speakers for my Montana?

Component speakers typically sound better but cost more. They separate the tweeter from the woofer - crossover point usually around 3-4 kHz. Your Montana can handle both types in most locations. If you're budget-conscious, quality coaxials might be sufficient. The built-in crossover network won't be as precise though. Components need separate tweeter mounting, which the front doors should accommodate. Dashboard location in 1999 models seems more suited to coaxials actually.

Why does my 1999 Pontiac Montana have dashboard speakers?

The 1999 model had a different interior layout. Dashboard speakers help with stereo imaging when you're in the driver's seat. They're closer to ear level compared to door speakers. These handle midrange and higher frequencies - probably crossed over around 200-300 Hz. If they're blown, replacement can be tricky due to dashboard removal. You might consider leaving them disconnected and upgrading the door speakers instead. The front soundstage should still work adequately.

What impedance should I look for in Montana replacement speakers?

Your Pontiac Montana probably has a 4-ohm system. Most aftermarket speakers come in 4-ohm configurations anyway. Using 8-ohm speakers would reduce power output from your head unit by roughly half. 2-ohm speakers might overload some factory amplifiers. Stick with 4-ohm unless you're adding an external amplifier. Then you have more flexibility with impedance matching depending on your amp's capabilities.

Do I need an amplifier for aftermarket speakers in my Montana?

Factory head units typically output 15-20 watts RMS per channel. That's often sufficient for moderate listening levels. If you want serious volume or deep bass response, an external amplifier helps. The 6x9 speakers in newer models might benefit more from amplification due to their larger surface area. Component speakers usually reveal the limitations of factory power more clearly. Start with just speaker replacement, then add amplification if needed.