Hummer H3T Speaker Size
Speaker size, type, and location chart for Hummer H3T models from 2009 to 2010 production years.
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Dashboard Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2009 - 2010 | Tweeter | 0.5 |
Front Door Panel Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2009 - 2010 | Midbass / Full-Range | 6.75 |
Rear Door Panel Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2009 - 2010 | Midbass / Full-Range | 6.75 |
Hummer H3T Speaker FAQ
What speakers should I replace first in my Hummer H3T for the biggest sound improvement?
Replace the front door panel 6.75 inch speakers first. These handle most of your music's midrange and vocal frequencies - around 80Hz to 4kHz typically. The front speakers create your stereo imaging, so upgrading them gives you the most noticeable improvement. Look for speakers rated around 50-75 watts RMS with 4-ohm impedance. The dashboard tweeters can wait since they're smaller 0.5 inch units that mainly add sparkle above 3kHz.
Can I install component speakers in both front and rear doors of my Hummer H3T?
Yes, the 6.75 inch openings in both locations support component systems. Front doors work perfectly since you can mount the crossovers easily and run tweeter wires. Rear installation gets trickier - you might need custom tweeter mounting since the H3T's rear area is more confined. Component speakers separate the frequencies better than coaxials... crossovers send highs to tweeters, mids to woofers. This usually means clearer sound but more complex wiring.
Should I upgrade the dashboard tweeters in my Hummer H3T or focus on the door speakers?
Focus on the 6.75 inch door speakers first. The 0.5 inch dashboard tweeters handle frequencies above 3-4kHz mainly - important for clarity but not the foundation of your sound. Door speakers produce the meat of your music from roughly 60Hz up to 5kHz. If you do upgrade the dashboard units later, make sure the new tweeters match your door speakers' sensitivity... usually around 88-92 dB. Mismatched sensitivity creates volume imbalances that sound weird.
What's the difference between coaxial and full-range speakers for the Hummer H3T rear doors?
Both fit the 6.75 inch rear openings, but they handle frequencies differently. Coaxials have a separate tweeter mounted on the woofer - gives you dedicated high-frequency response up to maybe 20kHz. Full-range speakers use the main cone for everything... simpler design but the highs might roll off around 15kHz or so. For rear fill duties in the H3T, either works fine. Coaxials probably sound a bit more detailed since the tweeter handles those crisp frequencies better than a woofer trying to do everything.