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Humans can not hear over 20khz however when selecting a speaker and the specs say 22khz or even 40khz that is important. Frequency response tapers off toward the bottom and top of the claimed frequency range. It starts low and slopes upward to a plateau and then up high it slopes back down from a certain point to the top number claimed. If the speaker responds to 20khz, it actually starts to drop off before that. Sometimes well before that. Same for low end. It they claim 60 hz on the low end, you actually get more like 80hz because of the low end tapering off the lower the frequency. If you want it to reproduce that 17-20khz youll want to shoot for a 24khz+ response so that the speaker is sounding optimally at 17-20khz before the slope. I would go for a speaker that responds from 50-24000 hz before I'd go for a 80-20000 hz speaker.
Sorry, there was a problem. Please try again later.No. Most adults hearing tops out 17kHz, dependening on hearing damage sustained. Kids can hear closer to 20kHz, but beyond is unlikely.
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