It serves Downeast Maine, including Ellsworth, Bar Harbor, Bucksport, and Machias.

[2] WNSX's music format is a mix which includes primarily soft and mid-tempo classic rock artists such as The Eagles, Genesis, Boston, The Beatles, Fleetwood Mac, Billy Joel and Elton John, but avoids more harder-edged artists like AC/DC, Def Leppard, Guns N' Roses, and Jimi Hendrix.

Maine businessman Scott Hogg was granted a construction permit from the Federal Communications Commission to build a new FM station at 97.7 in the mid-1990s.

It began simulcasting the classic rock format of its sister station 101.7 WFZX.

In 2005, the station was sold to Stony Creek Broadcasting, with Mark L. Osborne as managing member.