On my upper dash (next to the windshield)there are four heater vents and three circular vents (one little one in the middle and two larger ones on the corners). Are the larger ones tweeter grills? If not can anyone tell me what they are?

Thanks,
Paul

 

Yes they are for (2) 3.5" speakers. The one in the center is for an optional 2" speaker. Only some Infinity systems came with that center speaker. No round heater vents in the dash. Only the 4 rectangular ones

 

Thank you. That's where I'll drop my tweeters then.