[1] Their particular style was characterized by the influence of early Beatles and the Byrds, as well as other popular music of the era.

While much of their recorded material consisted of covers of popular songs by acts such as the Beatles, not to mention other Latin American rock bands, such as Los Brincos, they began to write their own material as their sound evolved.

[2] Some of their original material would be characterized by ghostly downcast melodies and arrangements.

[2] The band began with the merging of two earlier groups, Dynamic (1961–1964), whose membership included Fernando Latorre, Alfredo Besoza and Humberto Monroy, and Electronic, whose roster included Luis and Edgar Duenas, children of the composer Luis Dueñas Knob.

The earliest lineup of the Speakers was Rodrigo Garcia, from Spain (guitar) Colombian Humberto Monroy (bass), Fernando Latorre (drums) and guitarists Oswaldo Hernandez and Luis Dueñas.