The King of the new Reggae movement and blessed soul, a gem for all Reggae fans and real Rastaman. His songs revolve around themes of anti-war, romantic declarations and resiliency against Babylon.

Born as Jamar Rolando McNaughton on 10 October 1992 in Spanish Town, Jamaica, son of legendary singer Chronicle. He started his recording career at the age of 11, recording a Gospel track and went on to provide harmony vocals for artists such as Lutan Fyah as well as beginning production work, composing rhythms used by artists such as Konshens and Popcaan. At the age of 14, he began producing and building riddims. In 2009 Chronixx's brother died which led to him writing with Romaine 'Teflon' Arnett of Zincfence Records.

In May 2014, he won Culture Artist of the Year, Best New Artist, and Entertainer of the Year at the Linkage Awards in New York. In July 2014, he performed on The Tonight Show Starring Jimmy Fallon and he followed this with a concert in Central Park attended by over 5,000 people In September 2014, he was nominated for a MOBO Award in the Best Reggae Act category. He founded his own ZincFence Recordz production house along with producer Romain 'Teflon' Arnett and co-producer/engineer Ricardo "Shadyz" Lynch

His 2017 debut album, Chronology, received a Grammy Award nomination, and in the same year he received a Prime Minister's National Youth Award for Excellence. On March 13, 2020, Chronixx released the first single "Dela Move" from his upcoming second album, "Dela Splash". The title of the track and album were inspired by his hometown – De La Vega City, a district in Spanish Town, Jamaica.