A mini headphone speaker or small headphone speaker refers to a compact-sized speaker driver specifically designed for use in small-sized headphones or earphones. These speakers are optimized for portable audio devices where space is limited, such as in-ear headphones or wireless earbuds. Despite their small size, they are engineered to deliver high-quality audio performance.

Mini headphone speakers or small headphone speakers are commonly used in various types of earphones, including in-ear monitors (IEMs), wireless earbuds, and small-sized headphones. They are favored for their ability to provide decent sound quality in a compact and portable format, catering to users who prioritize convenience and mobility without compromising audio performance.