Knock Out! first took place as a new Hardstyle event at the SilverDome in Zoetermeer in 2009 and moved to the renovated
sports arena Ahoy Rotterdam in 2013. The Knock Out! formula guarantees high-quality and innovative line-ups and its
characteristic “underground” atmosphere. In addition, Knock Out is a battle concept between popular artists where they can be
creative in a highly creative way.
The sports arena Ahoy is famous for its grand acoustics and superb sound. Knock Out! will return each year to Rotterdam where it attracts 10,000 visitors.