WLRS (1570 kHz, "Pure Radio") is a commercial AM radio station broadcasting a Christian preaching radio format. Licensed to New Albany, Indiana, it serves the Louisville metropolitan area. It is owned by New Albany Broadcasting Co., Inc. and operated by Pure Media Ministries, Inc.

By day, WLRS is powered at 1,500 watts. But 1570 AM is a clear channel frequency. So at night, to avoid interference with other stations, it reduces power to 233 watts. WLRS uses a non-directional antenna. The transmitter is on Diamond Place at Potters Lane in Clarksville, Indiana. Programming is also heard on 250-watt FM translator W223DK at 92.5 MHz in Louisville.

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The station signed on the air on June 15, 1949; 75 years ago (1949-06-15). The original call letters were WLRP. It went through multiple format changes and call signs during its history. This station is where former NPR news host and Sirius XM talk host Bob Edwards began his broadcast career in 1968.

In 2008, it became WNDA. On September 26, 2011, WNDA changed its format to talk radio, branded as "NewsTalk 1570".

On May 25, 2015, WNDA flipped its format to Spanish-language contemporary hits, branded as "La Poderosa" ("The Powerful One" in Spanish).

On June 3, 2016, WNDA changed its call letters to WLRS.

As of July 2024, WLRS changed its format to Christian preaching under the branding "Pure Radio" and under the operation of Pure Radio Ministries, Inc.

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• Facility details for Facility ID 14553 (WLRS) in the FCC Licensing and Management System
• WLRS in Nielsen Audio's AM station database
• Facility details for Facility ID 203138 (W223DK) in the FCC Licensing and Management System