KSSE, KSSD, and KSSC are commercial FM radio stations serving Southern California at the 107.1 MHz frequency.

KSSE, KSSD, and KSSC are all licensed by the Federal Communications Commission (FCC) to broadcast in the HD Radio format.

[1] In 1988, John Douglas bought KMAX[10] with the intent to integrate it with other stations that would serve the entire Greater Los Angeles area with a rimshot signal.

The stations broadcast games featuring the San Francisco 49ers, Oakland Raiders, and Notre Dame Fighting Irish football teams, and the Los Angeles Ice Dogs of the International Hockey League.

[15] The following year, on March 27, 1996 at 4 p.m., Odyssey flipped the trimulcast to a modern rock format branded "Y107", with the stations' respective call signs changed to KLYY, KSYY, and KVYY.

[18] On December 24, 2002, following owner Big City Radio's Chapter 11 bankruptcy filing, Entravision Communications purchased KLYY, KSYY, and KVYY for $137 million in cash and stock.

[23] On December 1, 2016, after Entravision's other Súper Estrella stations had slowly disappeared across the United States, all air staff was let go and KSSE's trimulcast began stunting.

This new trimulcast is branded as "José 97.5 y 107.1", and is made up of KSSE (Arcadia), KSSC (Ventura), KSSD (Fallbrook) and KLYY (Riverside).