KSBZ, with the branding Mix 103, is a radio station serving the Sitka metro area under the ownership of Alaska Broadcast Communications, in affiliation with Cumulus Media. It broadcast a Hot Adult Contemporary music format.

Its weekly schedule features locally produced entertainment shows in which the hosts offer contests, entertaining moments, call-in segments, and the most recent news of the entertainment shows biz. News reports, sports programming, and weather and traffic updates are also provided in its lineup.

KSBZ's live streaming service is not geographically restricted, giving people the chance to listen live to its broadcast anywhere in the world.