It is tuned a fourth higher than a standard classical guitar, to A2-D3-G3-C4-E4-A4.
The Requinto is also used in Mexican and Ecuadorian culture, and their national songs like pasillos and boleros, where the requinto plays a very big role in improvisation.
The requinto guitar is now especially popular in Mexico and elsewhere in Latin America.
Requintos made in Mexico have a deeper body than a standard classical guitar (110 millimetres [4+1⁄3 in] as opposed to 105 millimetres [4+1⁄8 in]).
Requintos made in Spain tend to be of the same depth as the standard classical.