Hardfloor are the Berlin, Germany based duo Oliver Bondzio and Ramon Zenker. Hardfloor are best known for the Acid Techno track Acperience 1, one of the genre's defining records and a key influence on the trance sound that dominated European techno through the 90s. They have also recorded under the aliases Da Damn Phreak Noize Phunk, Low Budget and Techno Trash. Both Bondzio and Zenker were (and remain) members of other dance groups.