There are four main categories of sounds that cats hate, including high-frequency sounds: hissing, abrupt sounds, and loud sounds.
Do high-pitched noises hurt cats ears?
Tiny muscles in a cat's middle ear can contract to protect the inner ear from loud noises. But sudden loud noises, like fireworks, happen too quickly for this reflex to take effect and provide protection.
Do high-pitched noises scare cats?
High-Frequency Sounds
Loud and startling thumps, bangs, and clanks aren't the only noises that can stress cats. High-frequency sounds such as whistling tea kettles and even the sound of our voices can cause anxiety, says Dr.