Frequency Response - 10-20, 000 Hz and Impedance - 60 ohms Broad, 15 to 22, 000 Hz frequency response Titanium-coated, high-polymer diaphragms provide accurate sound Neodymium iron boron rare-earth-magnet structures enable precise sound reproduction International products carry separate terms, are sold from abroad, and may differ from local products, including fit, age ratings, and language of product, labeling, or instructions. Broad, 15 to 22, 000 Hz frequency response Titanium-coated, high-polymer diaphragms provide accurate sound