The crossover frequency is the specific point that tells the ... Turn on a song or an audio file with a full, rich range of sounds, from low basses to high trebles. Test the speakers and fine-tune ...

Hearing Aids Personalized For You Jabra Enhance's hearing aids are custom-programmed based on your test results so that you'll have personalized sound right out of the box. High-frequency hearing ...

This invention generates high-frequency sounds in the high-pitched range of human hearing, composed of sound waves between 15,000 and 20,000 cycles per second, which can annoy younger people but ...