GMC Typhoon Speaker Size
Speaker size, type, and location chart for GMC Typhoon models from 1992 to 1993 production years.
As an Amazon Associate, we may earn a commission from purchases made through links marked. Read more in our disclaimer.
Dashboard Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 1992 - 1993 | Full-Range | 6x9 |
Rear Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 1992 - 1993 | Midrange | 4 |
GMC Typhoon Speaker FAQ
What speakers should I replace first in my GMC Typhoon?
Replace the dashboard 6 x 9 inch speakers first. They handle most of your mid-range frequencies and vocals. The rear 4 inch speakers can wait - they're mainly for fill sound. Dashboard speakers in the GMC Typhoon get more power from the head unit anyway, so you'll notice the biggest improvement there. Look for coaxial speakers rated around 50-75 watts RMS with 4-ohm impedance.
Can I upgrade to component speakers in my GMC Typhoon dashboard?
Stick with coaxial speakers for the dashboard location. The GMC Typhoon wasn't designed with separate tweeter mounting points up front. Component systems need dedicated tweeter placement for proper imaging. Coaxial speakers actually work better here since the 6 x 9 inch size gives you decent bass response plus integrated tweeters. You might find some 6 x 9 components but... the installation gets complicated without custom work.
Why does my GMC Typhoon have 6 x 9 speakers in the dashboard?
The dashboard 6 x 9 configuration maximizes cone area in the limited space. More cone area means better bass response down to around 60-80 Hz typically. The oval shape fits the dashboard contours while giving you more surface area than round speakers would. This setup was pretty common in early 90s trucks. The GMC Typhoon engineers prioritized output over perfect imaging since most listening happens from the driver's seat anyway.
What power handling should I look for in GMC Typhoon replacement speakers?
Target 50-75 watts RMS for the dashboard 6 x 9 speakers, maybe 25-40 watts for the rear 4 inch ones. The factory head unit probably pushes around 15-20 watts per channel. If you're planning an amplifier later, you could go higher - just don't exceed 100 watts RMS on the dashboard speakers unless you verify the mounting can handle it. The GMC Typhoon's electrical system is... adequate but not designed for massive power draws.
Should I add a subwoofer to my GMC Typhoon speaker system?
Probably yes. The 6 x 9 dashboard speakers help with mid-bass but won't give you proper low-end extension below 50 Hz. Even good 6 x 9s struggle with the really deep stuff. A compact 8 or 10 inch subwoofer under the seat or in the rear area would fill that gap. The GMC Typhoon has decent interior space for a small sub enclosure. Just watch your power consumption if you're keeping the factory alternator.