 During the summer of 2017, KZPK started broadcasting in HD Radio, carrying the main signal on HD1, a simulcast of KNSI 1450 AM on HD2 which is news/talk, and a classic rock format on HD3 branded as "Z-Rock 103.3".the station's HD-3 channel is available over traditional radio on 103.3 FM via translator K277BS, licensed to St.Cloud.