Jam88.3 - is a popular alternative radio station on the FM band, specializing in various genres of rock music and indie rock. At the station you can hear various DJs who broadcast live and present new bands and concerts. The playlist is made up of the most popular and relevant tracks. The station has a large audience, which consists of fans of alternative music and rock concerts.

Slogan: "New Music Alternative."

Language(s): English.

Format: Rock.

First air date: July 26, 1986

City: Manila

Callsign: DWJM

Owner: Raven Broadcasting Corporation

Broadcast area Mega Manila and surrounding areas