noun
unaided hearing; listening with the naked ear
Refers to hearing something directly without using headphones, speakers, or other audio equipment. Often contrasted with using earphones or a hearing aid.
イヤホンを使わずに裸耳で音楽を聴くのは久しぶりだ。
It's been a while since I listened to music with my bare ears, without using earphones.
補聴器を外して裸耳で会話してみたが、やはり聞き取りにくい。
I tried having a conversation with my bare ears after removing my hearing aid, but it was still hard to catch what was said.