4ZKZ is an Australian commercial radio station located in Innisfail, Queensland. The station is currently broadcasting as Kool FM. Kool FM broadcasts on four separate FM frequencies in the Far North Queensland area. The station is heard on 98.3 FM in Innisfail, 94.9 in Babinda, 91.9 FM in Cardwell, Queensland and 90.3 FM in Euramo. Established in 1997, the station's programming consists of a contemporary hit radio format, targeting the younger demographics in the listening area.