The new JBL C300SI is a powerful, dynamic ultra-lightweight on-ear headphone. Its powerful drivers deliver the feel-it-in-your-bones bass response and legendary sound quality you expect from JBL. The ultra-light self-adjusting earcups offer a perfect fit for all-day comfort.

• High-Power Drivers: Create superior JBL sound, with bass you can feel.


• Lightweight Earcup Construction: Allows a comfortable listening experience, even for long sessions.


• Self-Adjusting Earcups: Give you a perfect fit easily, every time you listen.