PA sound system is designed with compact size and carry-on convenience of briefcase. At 24-inch wide, it is portable enough for business travelers and since it is completely self contained and sets up in seconds, it can be relyed on during long trips. Messenger's robust five-channel mixer and 100W output make it ideal for an endless array of applications, from office presentations and meetings to karaoke and open-mic performances. Its top lid also functions as lecturn to hold meeting notes or song lyrics.