WJMX-FM, also known as "103X", is a Top 40 (CHR) station located in the Florence, South Carolina, radio market. The station is licensed by the Federal Communications Commission (FCC) to the town of Cheraw, South Carolina, and broadcasts on 103.3 FM with an effective radiated power (ERP) of 50 kW. Its studios are located in Florence, and its transmitter is located west of Society Hill, South Carolina. WJMX-FM is owned by iHeartMedia.