So my wife and I are getting a teardrop trailer and I'm buying some 4-inch coax speakers. This is the max size that will fit where there need to go.
I'm ready to pull the trigger on these:
Then my wife says "the low-end frequency range isn't very low (85 Hz)"
I say, that's the way it is with small speakers. They just don't have a big enough woofer to produce lower frequencies.
She says, then why do my earbuds and other headphones have good bass?
That's a damn good question.
And I'm like, uh, it is because they are so close to your eardrum and in an small enclosed space...I don't f'ing know!
She was not convinced. And I don't know if I am right. It is a guess based on obvious physical differences, but I can't back it up with data or definitive. Can you?
I just looked up very high-end 4-inch Focal separates with crossovers, figuring that is someone could milk low end out of little speakers, it would be focal, but they had even less low end at 91 Hz. go figure. Granted, they assume you'll have a sub somewhere else doing this job.
I just looked up earbud base and CNET is showing them with 20 Hz low end!
So, audio geeks, who can explain why tiny earbud or headphone speakers can produce lower-end freqs than 4-inch car speakers?