origin = Panama City, Panama
| genres =
| years_active = 1993-present
| labels = BMG Songs, Inc. - Long Live Crime Records - Triple Vision Entertainment (Japan) - Universal Music-MGB Songs - EMP Label Group
| associated_acts =
| website = cage9
| current_members =
Evan Rodaniche (Evan9) (1993-present)
Gustavo Aued (X51) (1999-2010-2017-present)
Abel Vallejo (KatFish) (2017-present)
| past_members =
Servio (Pitongo) Gonzalez
Jorge (Tercero) Loaiza
Ivan (Pipo) Canton
Jesse (Ballz/Jeb) Beltz
Rattan (DJ Rattan) Cayabyab
Michael Anthony Grajewski
Cage9 has been direct openers for Ozzy Osbourne and Bad Religion, as well as having shared the stage with notable acts like 12 Stones, Black Light Burns, CJ Ramone, Adema, Lacey Sturm, Asking Alexandria, Ill Niño, Bobaflex, Queensrÿche, Candlebox, Seether, Sevendust, Hellyeah, Filter, In This Moment, Tesla, Karnivool, Buckcherry, MxPx, Powerman 5000, Strata, Dokken, Quiet Riot, Lynch Mob, Hinder, Boy Hits Car and Smile Empty Soul among many others bands and acts.
The band's song "My Doppelgänger (Doble Opuesto)," was released in English as well in Spanish and received full rotation on MTV Latino. The song "Hearts & Stars" is on the soundtrack of the video game MX vs. ATV: Untamed. Cage9 recorded a version of the theme song to The Dukes of Hazzard, which was used in the trailers for the 2005 film and The Dukes of Hazzard: The Beginning. The band also recorded music for a WWE promotion for Stone Cold Steve Austin and composed the Kamen Rider: Dragon Knight theme song, called "Let's Ride". On March 3, 2006, Cage9 made an appearance on G4's Attack of the Show!.
Performing under the pseudonym "Evan9," Rodaniche was the guitar player for the band Powerman 5000 between 2007 and 2011 and produced their 2009 album Somewhere on the Other Side of Nowhere and their 2014 album "Builders of the Future" as well. 
The band spent 2013 and 2014 on tour supporting their album "How to Shoot Lasers from Your Eyes". After it they started the recording sessions for a new album later called "Illuminator". On june 3rd 2016 Cage9 released their latest album "Illuminator" on EMP Label Group. The band played some shows and festivals afterwards. They closed the year making a tour with Lacey sturm across the U.S. Former bassist and longtime member Gustavo Aued is back in the band after almost 7 years. Since then the band has just played some selective shows. Cage9 is in the studio right now working on a new album.