|Broadcast area||Greater Cincinnati|
|Slogan||The New Breed of Rock|
|Repeater(s)||WKCX/Crittenden 89.1 MHz
WYNS/Waynesville 89.1 MHz
|First air date||August 6, 2006|
|Callsign meaning||W M W "ClassX"|
|Former callsigns||990325MC (1999–2006)|
|Owner||Spryex Communications, Inc.|
|Website||Class X Radio|
WMWX (88.9 FM) – branded ClassX – is a non-commercial classic rock radio station licensed to Miamitown, Ohio. Owned by Spryex Communications, Inc., WMWX is the Cincinnati affiliate for Floydian Slip. The WMWX studios are located in the Cincinnati suburb of Hamilton, while the station transmitter resides in Brookville, Indiana.
WMWX primarily serves western parts of Greater Cincinnati, but also extends its signal by using two full-power repeaters. Licensed to Crittenden, Kentucky, repeater WKCX (89.1 FM) provides coverage to eastern and southern parts of Greater Cincinnati. Licensed to Waynesville, Ohio, repeater WYNS (89.1 FM) provides coverage to Warren County, Ohio.
WMWX, 88.9 FM signed on the air with 5,000 watts on August 6, 2006. ClassX on 88.9 FM, WMWX; reaches potentially nearly 1.8 million listeners in the greater Cincinnati, Northern Kentucky, and Southeast Indiana area. ClassX is a True Rock format. The station promises a variety and exposure of new artists and their music as well as deep tracks off of old classic rock albums. ClassX is Album Rock: a mix of New Melodic Album Rock releases combined with lost Classic Rock tracks from the past 40 years. In 2011, 88.9 FM expanded its broadcasting signal to simulcasting on 89.1 FM (WKCX) in Cincinnati as well as 89.1 FM (WYNS) in Waynesville, Ohio.
WMWX uses an all-volunteer staff with live on-air disc jockeys. The station airs a variety of classic rock, including heavy metal, psychedelic rock, blues, progressive rock, garage rock, and hair metal, as well as specialty shows featuring The Beatles (Beatles-a-Rama) and Pink Floyd (Floydian Slip).
The call sign WMWX was previously used for Philadelphia's Mix 95.7 station, now broadcasting as WBEN-FM.