KBIA HD3 (also known as KBIA 3) is the third HD subchannel of KBIA 91.3 FM, broadcasting an Adult Album Alternative (AAA) format under the branding "XPoNential Radio". It carries NPR's World Cafe and other music programming, and simulcasts KBIA's main news/talk programming during special coverage. Owned by the University of Missouri and operated by the Missouri School of Journalism.
