KALX is an FM radio station that broadcasts from the University of California, Berkeley in Berkeley, California, United States. KALX, a community and student-run radio station licensed to the university, broadcasts in stereo with 500 watts of power. The station employs three full-time paid staff members, but is largely run by its nearly 300 volunteers, including Berkeley students and other members of the local community. The station's studios are located at Social Sciences Building on campus.